List Of All Extensions And Filetypes - P

This is an easy approach from me to give and describe each and every filetype and extension as much as possible.
here is the list for the information about various filetypes and extensions starting from alphabet P

Extension	Information
P	ReaGeniX Code Generator Application Parameter File
P	Applause Picture
P	Cliq Accessories Datebook Permissions
P	PASCAL Program File
P	Progress Database Procedure File (Progress Software Corporation)
P	MATLAB Binary-runtime P-file (The MathWorks, Inc.)
P	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
P	ZX81 Image File
P00	C64 Emulator Program File
P01	MicroStation Modification Resource (Bentley Systems, Incorporated)
P01	Parity Volume Set
P01	Toast CD Image
P02	Parity Volume Set
P03	Parity Volume Set
P04	Parity Volume Set
P05	Parity Volume Set
P06	Parity Volume Set
P07	Parity Volume Set
P08	Parity Volume Set
P08	TaxCalc Tax File (Acorah Software Products Ltd.)
P09	Parity Volume Set
P1	MicroImages Print Driver File (MicroImages, Inc.)
P10	PKCS #7 Certificate
P10	Certificate Request
P10	Tektronix Plot 10 Drawing
P12	Personal Information Exchange File
P16	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
P16	ProTracker Studio Music
P1C	IBM Voice Type Language Newuser File
P1I	IBM Voice Type Language Newuser File
P2000	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
P22	Patch22 Patch File
P2A	IBM Voice Type Language Vocabels File
P2B	PeerGuardian 2 IP Blocking List (Phoenix Labs)
P2C	IBM Voice Type Language Newuser File
P2C	pic2clik Photo Album
P2D	PointLineCAD 2D Drawing - 2D Document (Point Line, Inc.)
P2G	Power 2Go Project (CyberLink Corp.)
P2I	IBM Voice Type Language Newuser File
P2KC	Mobile Phone Batch Instruction File
P2L	PointLineCAD 2D Drawing Layer (Point Line, Inc.)
P2M	GameShark Hexidecimal Code Storage (Mad Catz, Inc.)
P2M	Peer2Mail Archive Part and Definition (SoftBulldog)
P2P	Picture to Part Data File (GraphiTech Ltd.)
P2P	PeerGuardian IP Blocking List (Phoenix Labs)
P2V	plan2viz Backup Design Plan (BERLIN IN 3D)
P3	Primavera Project Planner Project File (Primavera Systems, Inc.)
P3	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
P34	P34 Lotto File
P38	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
P3C	Primavera Project Planner Compressed Backup (Primavera Systems, Inc.)
P3C	IBM Voice Type Language New User File
P3D	PointLineCAD 3D Drawing - 3D Document Manager File (Point Line, Inc.)
P3D	Operation Flashpoint Game Model (Bohemia Interactive and The Codemasters Software Company Limited)
P3D	3D Graphic
P3E	PC-Doctor File
P3I	PC-Doctor File
P3L	PointLineCAD 3D Drawing Layer (Point Line, Inc.)
P3P	Platform for Privacy Preferences
P3T	Playstation 3 Theme File (Sony Corporation of America)
P40	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
P40	The Player 4.0a Module
P40	The Player 4.0b Module
P41	The Player 4.1a Module
P4200	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
P50	The Player 5.0a Module
P56	Patch
P5W	Ressource
P60	The Player 6.0a Module
P61	The Player 6.1a Module
P64	Picasso 64
P64	H.261 Encoded Video File
P65	PageMaker Version 6.5 File (Adobe Systems Incorporated)
P7	XV Visual Schnauzer Thumbnail Format
P7B	PKCS #7 Certificate
P7C	PKCS #7 Certificate
P7M	PKCS #7 MIME Message
P7R	PKCS #7 Certificate
P7S	PKCS #7 Signature
P8	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
P83	GAEB DA 2000 File (Bundesamt für Bauwesen und Raumordnung)
PA	Print Artist Project (Nova Development Corporation)
PA	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PA1	PageAhead Worktable
PA2	STABCAL (stability calculation for aqueous systems) File
PA3	STABCAL (stability calculation for aqueous systems) File
PA3	Turbo Pascal DOS File (Borland Software Corporation)
PA4	Turbo Pascal DOS File (Borland Software Corporation)
PA5	Turbo Pascal DOS File (Borland Software Corporation)
PA5	STABCAL (stability calculation for aqueous systems) File
PAA	Personal Ancestral File (Corporation of the President of The Church of Jesus Christ of Latter-day Saints)
PAB	Personal Address Book (Microsoft Corporation)
PAC	Sound Blaster Studio II Package
PAC	STAD Graphic
PAC	Pacman File
PAC	Photo-CD Multi-resolution Image File
PAC	LPAC Lossless Compressed Audio (Tilman Liebchen)
PAC	Windows Applications Manager Added or Changed Package
PAC	Win2020 / Polistream Video Subtitle Data (Screen Subtitling Systems Ltd.)
PAC	CrossePAC Compressed Archive (Digital Strategies, Inc.)
PAC	Desperados: Wanted D|A Archive
PAC	SBStudio Song + Sound Package
PACK	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PACKAGE	Autopackage Software Installation Package (Autopackage)
PACKAGE	Electronic Arts DBPF Resource Package (Electronic Arts, Inc.)
PAD	Telemate Keypad Definition
PAD	Top Secret Crypto Gold True One Time Pad File (TAN$TAAFL Software Company)
PAD	Visual Expert Source Code Documentation
PAD	MicroSim PCBoard PADS-compatible Netlist File
PAD	Scanner Output
PAD	Digital Paper Description
PAE	Projet Personal AVI Editor
PAE	PowerArchiver Encrypted Archive (ConeXware, Inc.)
PAF	Personal Ancestral File Family Database (Corporation of the President of The Church of Jesus Christ of Latter-day Saints)
PAF	Ensoniq PARIS Audio Format (E-MU Systems)
PAF	PortableApps Portable Application Install Package (Rare Ideas, LLC)
pag	UNIX DBM Database Data
PAG	ActivePerl Pro Studio Hash Database (ActiveState, a division of Sophos)
PAG	RealTick Page (Townsend Analytics, Ltd.)
PAG	Visual Basic Property Page File (Microsoft Corporation)
PAG	Lmsoft-Hypermedia Page
PAG	Psion Organiser Pager File (Psion PLC)
PAGE	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAGE1	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAGE10	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAGE11	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAGE12	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAGE2	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAGE3	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAGE4	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAGE5	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAGE6	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAGE7	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAGE8	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAGE9	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAGES	Pages Document (Apple Inc.)
PAI	PocketAI AI Decision Tree Data File (3D Net Productions)
PAI2	PocketAI AI Decision Tree Data File (3D Net Productions)
PAI3	PocketAI AI Decision Tree Data File (3D Net Productions)
PAINT	MacPaint Bitmap Graphic
PAJ	Pajek Project File
PAK	Quake Archive (ID Software)
PAK	Hand of Fate Archive
PAK	Half Life Archive
PAK	Final Fantasy VIII (Square Enix Co., Ltd)
PAK	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAK	Daikatana
PAK	Hexen 2 Archive
PAK	Infonie File
PAK	Lands of Lore Archive
PAK	Quake 2 Archive
PAK	Quake Archive
PAK	Trickstyle Archive
PAK	Compressed Archive File
PAK	Crazy Talk SFX File (Reallusion Inc.)
PAK	Dune 2 Archive
PAK	Heretic 2 Archive
PAL	JASC Format Palette File
PAL	PDP-10 Program Assembly Language (PDP-8 Code Cross-Compiled on a PDP-10) Compiler Source
PAL	Rise of Nations Campaign Media File (Microsoft Corporation)
PAL	Dr. Halo Palette
PAL	ZX Spectrum-Emulator
PAL	Tree Professional Palm Creator File
PAL	Protos Process Model (Pallas Athena)
PAL	Personal Ancestral File
PAL	PageMaker Library Palette (Adobe Systems Incorporated)
PAL	Lotus Freelance
PAL	Harvard Graphics Palette (Harvard Graphics)
PAL	Compressed File
PAL	Color Palette (Microsoft Corporation)
PAL	Command & Conquer File (Westwood Studios)
PAL	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAL1	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAL2	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PALM	Palm Pixmap
PALM	Programming
PAM	Tonline Ob4hbci Smartupdate File
PAM	PAM Property Appraisal Manager Project (PAM Software (UK) Ltd)
PAM	Personal Ancestral File (Corporation of the President of The Church of Jesus Christ of Latter-day Saints)
PAMPRT	PAM Property Appraisal Manager Project Template (PAM Software (UK) Ltd)
PAN	Infinite Pictures, Inc. iMove Viewer
PAN	The Panorama Factory Project (Smoky City Design, LLC)
PAN	SmoothMove Pan Viewer
PAN	CorelDraw Printer-specific File
PAN	Chromeleon Control Panel
PAN	Panorama Database (ProVUE Development)
PANDO	Pando Package (Pando Networks)
PANEL	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PANI	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PANIC	UNIX Crash Report
PANO	Quicktime VR Panorama File (Apple Inc.)
PAP	Corel Painter Pattern, Selection or Texture File
PAP	Tree Professional Palm Creator Image File
PAQ	HP System Recovery File (Hewlett-Packard Development Company, L.P.)
PAQ	Quantum Archive
PAQ6	PAQ Data Compression Program Archive
PAQ7	PAQ Data Compression Program Archive
PAQ8	PAQ Data Compression Program Archive
PAQ8HP12ANY	PAQ PAQ8HP12ANY Compressed Archive
PAQ8JC	PAQ PAQ8JC Compressed Archive
PAQ8L	PAQ PAQ8L Compressed Archive
PAQ8O	PAQ PAQ8O Compressed Archive
PAQ8O8	paq8o8 Compressed Archive
PAQ8P	PAQ PAQ8P Compressed Archive
PAQ9A	PAQ PAQ9A Compressed Archive
PAR	Solid Edge 3D CAD Model (UGS PLM Solutions)
PAR	Mirror Archive Restoration File
PAR	ImageZoom Parameter File (Scalado)
PAR	Fractint Parameter File
PAR	Digitalk Parts Application
PAR	FMS Flight Characteristics File (Roman & Michael Möller)
PAR	Parity Volume Sets (.P01,...)
PAR	AeroFly Model Parameters (IPACS GbR)
PAR	Pov-ray for Windows Parameter File (Persistence of Vision Raytracer Pty Ltd.)
PAR	SmartPar
PAR	Windows 3.x Permanent Output (Swap) File
PAR	SAP Enterprise Portal Component
PAR	Model Parameter File
PAR2	Parity Archive Volume Set
PARACOUNT	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PARAM	Kosima Scripts File
PARAMS	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PARMS	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PARMS3	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PARSER	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PART	Partial Download
PART	eDonkey Partial Download (MetaMachine)
PART	Partial Go!Zilla Download
PART	eMule Plus Partial Download (eMule Team)
PART1	Netobjects Fusion Netobjects System File
PART1	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PART1OF2	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PART2	Netobjects Fusion Netobjects System File
PART2OF2	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PARTIAL	Partial Download
PARTIMG	Partimage Disk Image
PARTY	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAS	Delphi Source (Borland Software Corporation)
PAS	Pascal Source Code
PAS	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAS	PDP-10 PASCAL Compiler Source
PAS	C++ Builder 6 Source (Borland Software Corporation)
PASCAL	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PASM	Parrot Source Code (The Perl Foundation)
PASS	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PASS	Quiz Editor Password Protected File (Minimouse)
PASSAGE	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PASSERS	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAT	PDP-10 Commands for DDT Debugger or FILDDT File Patcher
PAT	Kega Fusion Game Cheat File (Steve Snake)
PAT	Stuttgart Neural Network Simulator Pattern Definition
PAT	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAT	PatternSmith Cutting Pattern File (Autometrix)
PAT	Black and White 2 Paths Data (Lionhead Studios)
PAT	Orchida Embroidery System (Orchida Soft)
PAT	PatternMaker Custom Pattern (PatternMaker Software)
PAT	Fast-Talk Phonetic Audio Track (Fast-Talk Communications, Inc.)
PAT	Photoshop Pattern File (Adobe Systems Incorporated)
PAT	WarHack Warcraft2 exePatch Utility
PAT	Corel Vector Pattern (Corel)
PAT	MultiMate 3.3
PAT	File Investigator Pattern File (RobWare)
PAT	Forte Technologies Patch File
PAT	GIMP Pattern (The GIMP Team)
PAT	Hatch Patterns Photostyler
PAT	Paint Shop Pro Pattern (Corel Corporation)
PAT	Patch File
PAT	Polygon Attribute Table
PAT	Smash Simulator Test Pattern
PAT	Sound
PAT	US Patent and Trademark Office Bitmap
PAT	Vector Pattern
PAT	CADTERNS Sloper File (CADTERNS Custom Clothing Inc.)
PAT	AutoCAD Hatch Pattern (Autodesk, Inc.)
PAT	Palace Server Rooms Configuration File (Communities.com)
PAT	Advanced Gravis Ultrasound Patch File
PAT	PCStitch Pattern (M&R Technologies, Inc.)
PAT	DART Pro 98 Pattern
PAT	Train Simulator Track Path (Microsoft Corporation)
PAT	ArcView Geocoding Pattern Recognition File (ESRI)
PAT	Pattern Maker Cross-Stitch Pattern File (HobbyWare, Inc.)
PAT	Arcinfo Coverage
PATCH	Elonex ONEt+ Patchn File (Elonex)
PATCH	General Patch File
PATCH	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PATCHDOCS	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PATCHER	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PATH	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PATHNAME	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PATHS	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PATTERN	Photoline5 Defaults File
PAU	OzWin CompuServe E-mail/Forum Access Paused Message
PAUSE	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAV	MediaMatrix Peavey Architectural View (Peavey Electronics)
PAV	Panda Antivirus File
PAV????	Panda Antivirus File
PAX	Pick Ax Secure Graphic File (Smaller Animals Software, Inc.)
PAX	Personal Ancestral File (Corporation of the President of The Church of Jesus Christ of Latter-day Saints)
PAX	Project A.R.S.E Brain File
PAY	PriorityRate (Priority Data Sytems)
PAYMENTS	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAYROLL	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PAZ	Project A.R.S.E Brain File
PB	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PB	PocketCache Backup File (Kadena Systems, Inc.)
PB	WinFax Pro Phone Book (Symantec Corporation)
PB	PowerBASIC Configuration (PowerBASIC, Inc.)
PB	Proboard Configuration
PB	PureBasic Source Code (Fantaisie Software)
PB	PixBase Setup
PB	FAXability Fax
PB	PuffBOMB Extra Level File (Sykhronics)
PB1	First Publisher Document
PB2	STABCAL (stability calculation for aqueous systems) File
PB2	OrindaBuild Configuration (Orinda Software Ltd)
PBA	Process Panel Builder (ABB Ltd)
PBA	PowerBASIC Source Code (PowerBASIC, Inc.)
PBB	MS Mail Address Information File
PBC	Parrot Compiled Byte Code File (The Perl Foundation)
PBD	Palm Database (Palm, Inc.)
PBD	PowerBuilder Dynamic Library
PBD	iSilo Document (DC & Co.)
PBD	Epicentric Portal Server Module Java Bean (Vignette Corporation)
PBD	Axialis Image
PBD	Graphic Format (Adobe Systems Incorporated)
PBD	Faxit Phone Book
PBF	Sprite Backup Mobile Device Image (Sprite Software)
PBF	Portable Bitmap Format File
PBF	Grand Prix Legends BMAP (Bitmap) File
PBF	Paragon Disk Image
PBF	PBook E-book Format
PBF	Turtle Beach Pinnacle Bank File
PBH	PowerBASIC Help File (PowerBASIC, Inc.)
PBI	Profiler Binary Input (Microsoft Corporation)
PBI	Axialis Image JPEG JFIF
PBI	PowerBASIC Include File (PowerBASIC, Inc.)
PBI	PC-BSD Setup File (PC-BSD Software)
PBK	HP-95LX Phone Book File
PBK	ElectraSoft Fax Phone Book
PBK	Phonebook (Microsoft Corporation)
PBL	Publitor Data File (Soho Soho Ltd.)
PBL	PowerBuilder Source Code Library (Sybase)
PBL	PowerBASIC Library (PowerBASIC, Inc.)
pbm	UNIX Portable Bitmap Graphic
PBMP	Pilot Bitmap
PBMV	Portable Bitmap File
PBN	Portable Bridge Notation
PBO	Operation Flashpoint Game Mission Folder (Bohemia Interactive and The Codemasters Software Company Limited)
PBO	Profiler Binary Output
PBOB	Vbox Preview (Aladdin Knowledge Systems)
PBP	PowerBASIC Project (PowerBASIC, Inc.)
PBP	Perl Builder File
PBP	Phoenix Visual Designer Project (Prometheus Software)
PBP	PlaybackPro Video Database (DTvideolabs)
PBP	Playstation Firmware Image (Sony Corporation of America)
PBPROJ	Project Builder Project (Apple Inc.)
PBQ	PunkBuster Query Script
PBQ	Audio
PBR	BI/Suite Hypercube Presentation
PBR	PowerBuilder Resource
PBR	PowerBuilder Resource File
PBR	BorderManager 3.5 Support Pack 3 File
PBR	Publisher Autosave/Autorecovery/Backup File (Microsoft Corporation)
PBR	PowerBASIC Resource File (PowerBASIC, Inc.)
PBS	Paint Shop Pro Brush Stroke Preset (Corel Corporation)
PBS	PowerArchiver Backup Script
PBT	Profiler Binary Table
PBT	Micro Dynamics MARS
PBTPL	PowerBASIC Template (PowerBASIC, Inc.)
PBV	Paint Shop Pro Bevel Preset (Corel Corporation)
PBX	Outlook Express Message Folder
PC	Oracle Pro*C Source Code (Oracle)
PC	Sierra Print Artist Postcard
PC	Personal Composer Musical Notation (Personal Composer Inc.)
PC	PC Fold Sequence File
PC	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PC	Postcard
PC	PC-specific Text File
PC1	Degas & Degas Elite
PC2	Degas & Degas Elite
PC2	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PC2	AutoCAD R14 Plotter Configuration (Autodesk, Inc.)
PC2	STABCAL (stability calculation for aqueous systems) File
PC2	PrivateChat!
PC3	Degas & Degas Elite
PC3	Harvard Graphics Custom Palette (Harvard Graphics)
PC3	STABCAL (stability calculation for aqueous systems) File
PC3	AutoCAD R2000 Plotter Configuration (Autodesk, Inc.)
PC5	Rockwell Software Logix 5 File
PC5	STABCAL (stability calculation for aqueous systems) File
PC8	NewWave Write ASCII IBM8 Character Set
PC8	ASCII Text IBM-8
PC?	2D Graphic
PCA	Sonic Foundry Perfect Clarity Audio File (Sony Corporation of America)
PCA	PCAnywhere Registry Backup
PCA	MicroSim PCBoard Layout Database File
PCAP	TCPDUMP Style Capture
PCAP	Ethernet Packet Sniffer File
PCB	Ivex Winboard Design File
PCB	Broderbund Print Shop Business Card
PCB	ExpressPCB Printed Circuit Board Layout (ExpressPCB)
PCB	PADS Printed Circuit Board (Mentor Graphics Corp.)
PCB	Unknown 4.0 Binary File
PCB	Unknown 3.0 Binary File
PCB	P-CAD Database (Altium Limited)
PCB	CADSTAR Printed Circuit Board Design (Quadra Solutions)
PCB	Protel Technology Advanced PCB Design
PCB	PCB Layout Check Design Rule Template (Top Tec PCB Ltd.)
PCB	ACCEL or Protel Printed Circuit Board File
PCB	Print Shop Deluxe Business Card
PCB	PowerPoint Application Data File (Microsoft Corporation)
PCB	PC-Doctor File
PCBDOC	PCB Document
PCC	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PCC	PC Checkup System Information
PCC	PCCharge Related Files and Settings (VeriFone)
PCC	VideoCraft GIF
PCC	PC Paintbrush Cutout Picture Vector Graphic (Zsoft)
PCD	Visual Test (Microsoft Corporation)
PCD	P-Code Compiled Test Scripts
PCD	Images CD Creator Corel Adaptec
PCD	Photo-CD Image (Kodak)
PCD	GX IEC Developer Backup File (Mitsubishi Electric Corporation)
PCD	ChemSep Pure Component Database (ChemSep)
PCDS	Photo-CD Image
PCE	PC-Doctor File
PCE	Borland Package Collection Editor File (Borland Software Corporation)
PCE	Mail Signature
PCE	Print Shop Envelope
PCE	Eudora Mailbox Name Map
PCE	PC Engine
PCE-LIST	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PCF	Calyx Point
PCF	Solid Edge Packaged Collaboration File
PCF	Paint Shop Pro Colored Foil Preset (Corel Corporation)
PCF	Profiler Command File
PCF	PowerToy Calculator Saved Functions and Variables (Microsoft Corporation)
PCF	HP-95LX Printer Configuration File
pcf	UNIX Font File
PCF	DD PrintCenter Document (Imagetech Corporation, Ltd.)
PCF	Process Charter Data (Scitor Corporation)
PCF	PreComp PreCompressed File
PCF	Cisco VPN Client Configuration (Cisco Systems, Inc.)
PCF	Systems Management Server (SMS) Patron Configuration File (Microsoft Corporation)
PCF	Pro/ENGINEER (PTC)
PCG	Photo CD Graphic File
PCG	Korg Trinity/Triton instruments bank Synthesizer File (KORG)
PCH	Visual C PreCompiled Header (Microsoft Corporation)
PCH	Pixeur Color History File (Veign)
PCH	Patch File
PCH2	Nord Modular G2 Patch (Clavia DMI AB)
PCI	PC-Doctor File
PCI	Windows PCI Miniport file (Microsoft Corporation)
PCI1	WinControl DCX-AT3000 Motion Control Command Language File (Precision MicroControl Corp.)
PCI3	WinControl DCX-AT3000 Motion Control Command Language File (Precision MicroControl Corp.)
PCJ	IBM Linkaway-Live Multimedia Tool Graphics
PCK	Systems Management Server (SMS) Received Package File (Microsoft Corporation)
PCK	Commandos II File
PCK	Package
PCK	Turbo Pascal Pick File (Borland Software Corporation)
PCK	ARIA PIPP Spectrum
PCL	HP Printer Control Language (Hewlett-Packard Development Company, L.P.)
PCL	2D Graphic Page Control Language
PCLF	PC MightyMax Offline Licensing File (PC MightyMax, Inc.)
PCM	Bliss for Windows (Handicom)
PCM	Embroidery Design File
PCM	Image Photoline
PCM	Sound File
PCM	LaserJet Printer Cartridge Metric (Hewlett-Packard Development Company, L.P.)
PCM	OKI MSM6376 Synth Chip PCM Format
PCM	Opera Binary Voice-related File (Opera Software ASA)
PCN	Paint Shop Pro Contour Preset (Corel Corporation)
PCO	PC-Outline Outline
PCP	Windows Installer Database Editor (Orca) Patch Creation Properties File (Microsoft Corporation)
PCP	Symantec Live Update Pro (Symantec Corporation)
PCP	RCF EnCoder/DeCoder Encoded File (RCF Group - Reborn Code Freaks)
PCP	PC Paint (DOS) Bitmap Image
PCP	AutoCAD R13 and Prior Plotter Configuration (Autodesk, Inc.)
PCR	Creatacard Post Card Project (Broderbund)
PCR	PCMark Benchmark File (Futuremark Corp.)
PCS	Apple Macintosh PICT File Animation (Apple Inc.)
PCS	Painter4 PICT File
PCS	Pfaff Home Embroidery Format (Pfaff)
PCS	PICS Animation
PCS	PowerPoint ClipArt Gallery Picture Storage (Microsoft Corporation)
PCS	Ultra Zip Password Cracker (UZPC)
PCS	KDevelop Persistent Code Store (KDevelop Team)
PCS	Yamaha Piano Combo Style (Yamaha Corporation of America)
PCT	Bitmap Graphic
PCT	Clipart ClarisWorks
PCT	PC Paint Bitmap
PCT	Honeywell GUS Display Builder
PCT	NIST IHDR
PCT	Macintosh Quickdraw/PICT Drawing
PCU	XProfan Compiled Unit (Roland G. Hülsmann)
PCU	PC MightyMax Undo File (PC MightyMax, Inc.)
PCV	Move Me Moving Van (Spearit Software)
PCV	PC Upgrade Commander (V Communications, Inc.)
PCV	MozBackup Backup (Pavel Cvrcek)
PCW	PC Write Text File
PCX	PC Paintbrush Bitmap Graphic
PD	PipeDream Document
PD	Male MRI
PD	Paradox Table
PD	Pure Data Patchfile (PD Community)
PD	Perl Data Language PreProcessor File
PD1	DFSee Partition Table and Boot Sector Backup (Fsys Software)
PD2	DFSee Partition Table and Boot Sector Backup (Fsys Software)
PD3	Denso BHT-7000 Terminal Executable Program File
PD3	PodFlow (Ikon AVS Ltd.)
PD3	3ds Max (Autodesk, Inc.)
PD3	ICDD X-ray Powder Diffraction Patterns and Digitized Diffractogram
PD3	DFSee Partition Table and Boot Sector Backup (Fsys Software)
PD4	DFSee Partition Table and Boot Sector Backup (Fsys Software)
PD5	DFSee Partition Table and Boot Sector Backup (Fsys Software)
PDA	Print Shop Bitmap Graphic
PDAS	PDAStore Store (Harald-René Flasch)
PDATA	JSim Pretty Data Format (University of Washington)
PDB	PowerBASIC Debugger Symbols (PowerBASIC, Inc.)
PDB	Palmpilot Database/Document File (Palm, Inc.)
PDB	MonkeyCard/MonkeyLogo
PDB	MolMol Molecule Description File
PDB	Insight II Brookhaven Protein Databand File (Accelrys Software Inc.)
PDB	C64 Emulator File
PDB	Protein Databank File
PDB	BGBlitz Position Database (Frank Berger)
PDB	MDL Molfile Protein DataBank (MDL Information Systems, Inc.)
PDB	PhotoDeluxe Image (Adobe Systems Incorporated)
PDB	Pilot Image Format
PDB	PowerBuilder Dynamic Library
PDB	PowerDesigner Physical Model Backup
PDB	Photo Deluxe Image
PDB	Powerproject Teamplan
PDB	QuickPOS Database File
PDB	Ribbons Data
PDB	Visual C++/.NET Program Database File (Microsoft Corporation)
PDB	Pegasus DataBase
PDB	TealPaint
PDB	Tact File
PDBX	Martini Personal Database (SunGard)
PDBX	Insight II X-PLOR Coordinate File (Accelrys Software Inc.)
PDC	Lizard Safeguard Protected PDF File (LockLizard Ltd)
PDC	PReS Print Control
PDC	PowerDivX NextGen Media Player Chapter File
PDD	Database Designer for PostgreSQL Database Design (MicroOLAP Technologies LTD.)
PDD	PhotoDeluxe Image (Adobe Systems Incorporated)
PDE	Processing Development Environment (PDE) Source Code File (Processing)
PDE	Principalm Student Information Extract (Discovery Software Ltd.)
PDES	PIPE-FLO Professional Design File Template (Engineered Software, Inc.)
PDF	ArcView Preferences Definition File (ESRI)
PDF	Acrobat Portable Document Format (Adobe Systems Incorporated)
PDF	Analyser Protocol Definition
PDF	Ed-Scan 24-bit Graphic File
PDF	Netware Printer Definition File
PDF	Package Definition File
PDF	P-CAD Database Interchange Format (Altium Limited)
PDF	Ventura Publisher EPS-variation Page (Corel Corporation)
PDF	Systems Management Server (SMS) Package Description File (Microsoft Corporation)
PDFENX	egis Encrypted PDF File (HiTRUST Inc.)
PDG	MetaCAM Part File (Metamation, Inc.)
PDG	Chaoxing Reader Chaoxing Digital Library e-Book (Chaoxing Digital Library)
PDG	Print Designer GOLD Data File (CAM Development)
PDG	PrintShop Deluxe File
PDI	PI ProcessBook Display Definition File (OSIsoft, Inc.)
PDI	PowerPoint Import/Export (Microsoft Corporation)
PDI	PReS Document Creation Subroutines
PDI	IBM VideoTex
PDI	InstantCopy Disc Image (Pinnacle Systems, Inc.)
PDK	PC Desktop Cleaner Desktop Cleaner Configuration File (TEKBLUES)
PDL	Print Shop Project
PDL	SymbianOS Printer Driver
PDL	WITE32 File
PDL	Programmable Driver Language (Quovadx, Inc.)
PDL	C++ Project Description Language (Borland Software Corporation)
PDM	PowerDivX NextGen Media Player
PDM	Sybase Power Designer File
PDM	PowerDesigner Power Designer Model File (Sybase Inc)
PDN	Paint.NET Image (Rick Brewster)
PDN	Plan de Negocio
PDO	Pepakura Designer Paper Craft Pattern (Tama Software Ltd.)
PDO	Access Package Deployment Script (Microsoft Corporation)
PDP	Photoshop PDF Format (Adobe Systems Incorporated)
PDP	Broderbund Print Shop Deluxe File
PDQ	BLUEWAVE Sound File
PDQ	PDQ Lite Flowchart
PDQ	Patton & Patton Flowcharting PDQ Lite File
PDR	Port Driver (Microsoft Corporation)
PDR	SymbianOS Printer Resource File
PDS	VICAR: Video Image Communication and Retrieval Graphic
PDS	Telsis HiCall Program File
PDS	Source Code File
PDS	Print Shop Graphic
PDS	PALASM Source Code
PDS	IncrediMail (IncrediMail Ltd.)
PDS	NASA Planetary Data System Format Space Mission Data
PDT	ProCite Primary Database
PDT	VersaPro Compiled Block
PDT	InkWriter/Note Taker Template (Microsoft Corporation)
PDV	Paintbrush Printer Driver
PDW	Professional Draw Graphic (Gold Disk, Inc.)
PDW	HiJaak Vector Graphics
PDX	Paradox Files
PDX	PDXplorer IPC-2570 Product Data Exchange Information (Active Sensing, Inc.)
PDX	Acrobat Catalog Index (Adobe Systems Incorporated)
PDX	Mayura Draw
PDX	PageMaker Printer Description (Adobe Systems Incorporated)
PDX	ProCite Database Keys
PDXA	Europa Universalis III File (Paradox Interactive)
PDXAB	Europa Universalis III File (Paradox Interactive)
PDZ	GZipped Brookhaven Protein Databank File
PD_	Visc15 Images Setup File
PE	Portable Executable File
PE	PatentEase File
PE	Microsoft Symbol and Type Information
PE3	PhotoImpact Image Archive (Ulead Systems, Inc.)
PE3	QuickViewer Image Archive
PE4	Photo Explorer Thumbnail
PE4	PhotoImpact Image Archive (Ulead Systems, Inc.)
PEA	Peach Text File
PEA	PeaZip Compressed Archive
PEA	P-Encryption Suite Archive (CadabraSoftware, Inc.)
PEB	WordPerfect Program Editor Bottom Overflow File (Corel Corporation)
PEBPRJ	PEBundle File
PEC	Brother/Babylock/Bernina Home Embroidery Format
PED	WordPerfect Program Editor Delete Save (Corel Corporation)
PEEKER	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PEEKIT	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PEF	Pentax RAW Bitmap Graphic (PENTAX Corporation)
PEG	Red Faction II Game Data
PEH	Power Email Harvester (YesGoal LLC)
PEI	Performer Software Encrypted Image (Performer Software)
PEK	Premiere Graphic Waveform Data (Adobe Systems Incorporated)
PEM	WordPerfect Program Editor Macro (Corel Corporation)
PEM	Audio Module
PEM	Privacy Enhanced Mail Security Certificate
PEN	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PEN	Paint Shop Pro Enamel Preset (Corel Corporation)
PEN	io Software Digital Pen Ink File (Logitech, Inc.)
PEO	Homeworld MESH File (Sierra)
PEP	TurboProject Project File (Office Work Software, LLC)
PEPPER	Pepper Keeper Shared Package File (Pepper Computer, Inc.)
PEPSI	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PEQ	WordPerfect Program Editor Print Queue File (Corel Corporation)
PER	Rise of Nations AI File (Microsoft Corporation)
PER	WordPerfect Program Editor Resident Area (Corel Corporation)
PERCENTAGES	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PERFORMANCE	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
perl	Perl Source File
PES	WordPerfect Program Editor Work Space File (Corel Corporation)
PES	Brother/Babylock/Bernina Home Embroidery Format (Buzz Tools Plus)
PET	Magic Petz File
PET	Macintosh PICT Image
PET	Custom CD Menu
PET	WordPerfect Program Editor Top Overflow File (Corel Corporation)
PETERGUN	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PEW	IAR Embedded Workbench
PEX	Proboard Executable Program
PEX	PodFlow Pod Export (Ikon AVS Ltd.)
PF	Archive
PF	Aladdin Systems Private Files Encrypted File
PF	Progress Database Parameter File (Progress Software Corporation)
PF	Prefetch (also called Scenario) File (Microsoft Corporation)
PF	Monitor or Printer Profile File
PF	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PF	ICC Profile
PF?	SmartWare Project Source File
PFA	Formdef or Pagedef Source Code
PFA	PostScript Unhinted Type 3 Font
PFA	Postscript Type 1 Font
PFB	DESQview (Symantec Corporation)
PFB	PostScript Type 1 Font (Adobe Systems Incorporated)
PFC	New Soft Presto! Page Manager File
PFC	AOL Preferences/Favorites/Mail (America Online, Inc.)
PFC	First Choice Text File
PFC	PF Component
PFC	WordPerfect Perfect Fit Filter (Corel Corporation)
PFD	Playstation 3 Saved Game Control Data (Sony Corporation of America)
PFD	Personal Finances Database (Alex Shirokov (ALZEX software))
PFD	ProForm Database Data Entry File (SoftPro)
PFD	Process (iGrafx (a division of Corel Inc.))
PFD	PlanningForce Plan File (Intelligent Software Cy)
PFDB	Password Fortress Secure Database File (Dunning Software)
PFDT	Password Fortress Database Template (Dunning Software)
PFE	Programmers File Editor
PFF	Comanche 4
PFF	Formatta Filler Portable Form Files (Formatta Corporation)
PFF	F22 Lightning 3
PFF	Armored Fist 3 Archive
PFF	Delta Force Archive (NovaLogic, Inc.)
PFF	Zoomify Image Stream (Zoomify, Inc.)
PFF	Tachyon Archive
PFG	Epson PRINT Image Framer (PIF) Designer File (Seiko Epson Corp.)
PFG	jEEPers Program/Configuration File
PFK	XTree Programmable Function Keys
PFL	PhotoFiltre Plug-in (Antonio Da Cruz)
PFL	SmartStation AppsView File
PFL	Quicken Lawyer Data File (Intuit Inc.)
PFL	Family Lawyer Data File (Broderbund)
PFL	Freelance Graphics DOS Version 4.0 Portfolio Presentation (IBM)
PFL	ENwin Estructuras de Naves Geometric and Mechanical Properties (Procedimientos-Uno, S.L.)
PFL	Lenné3D-Player (Lenné3D-Plantage) Plant File (Lenné3D GmbH)
PFL	Printfil License File (@SwIt s.r.l.)
PFL	Paint Shop Pro Fine Leather Preset (Corel Corporation)
PFM	Printer Font Metrics (Adobe Systems Incorporated)
PFM	Portable Float Map Graphics Data
PFO	Pismo File Mount Audit Package Private Folder (Pismo Technic Inc.)
PFP	The Panorama Factory Project
PFR	WebFont Wizard Portable Font Resource
PFR	Paint Shop Pro Frame (Corel Corporation)
PFS	First Publisher ART File
PFS	pfs:File Database / pfs:Write Text
PFS	Image Studio Picture (Matsushita Electric Industrial Co., Ltd.)
PFS	BIOCCELERATOR Homologous Sequence Names
PFT	ChiWriter Printer Font
PFW	Symantec Liveadvisor Shared File (Symantec Corporation)
PFX	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PFX	Rapfile
PFX	Amiga Pageflipper Plus F/X Animation (Amiga)
PFX	Personal Information Exchange File
PFX	PFXplus Application Source Code (POWERflex Corporation)
PF_	Encore Compressed Audio File
PG	Casio FX-Link-Kit File (Casio Computer Co., Ltd.)
PG	Printfox/Pagefox
PG	2D Graphic
PG	IBM LinkWay Cut/Paste File
PG1	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PG2	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PG3	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PGA	Solitaire Aztec Peg Backup
PGA	PowerGREP Action File (JGsoft - Just Great Software)
PGA	IBM Professional Graphics Adapter Image
PGB	Rayman2 File
PGC	Compressed Portfolio Graphic
PGC	Portable Gaming Notation (PGN) Compressed Format
PGC	Egypt Solitaire Back
PGD	Pretty Good Privacy (PGP) Virtual Disk File (PGP Corporation)
PGE	PocketGrandmaster Game Engine File (Frank Schneider & Kai Skibbe, Softwaredevelopment)
PGE	Solitaire Peg Back
PGF	PGC Portfolio Graphics Compressed Bitmap
PGF	Progressive Graphics File (xeraina GmbH)
PGF	PowerGREP File Selection (JGsoft - Just Great Software)
PGF	GPS Pathfinder Office Geoid Grid File (Trinble Navigation Limited)
PGI	PGraph Library Printer Device Driver
PGL	PowerGREP Library (JGsoft - Just Great Software)
PGL	HP Plotter Language
PGM	Opentech Digital STB Main Software (Opentech, Inc.)
PGM	MegaBasic Apple II Program File
PGM	Portable Graymap Graphic
PGM	BASIC Program
PGM	RS7000 OS Image (Yahama Corporation)
PGM	Chromeleon Batch Program
PGM	Signature Program
PGM	CGI Program
PGMEURS	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PGML	Precision Graphics Markup Language
PGN	Portable Game Notation (PGN)
PGN	Picatinny Arsenal Electronic Formstore Form in TIFF Format
PGP	Pretty Good Privacy (PGP) Key/Signature File (PGP Corporation)
PGP	TBAV File
PGP	Program Parameter
PGP	AutoCAD Program Parameter (Autodesk, Inc.)
PGR	PowerGREP Results File (JGsoft - Just Great Software)
PGR	Pretty Good Privacy (PGP) PGP Groups (PGP Corporation)
PGS	DALiM LiTHO Vector Page (Blanchard Systems Inc.)
PGS	Man4DOS Manual Page
PGS	Verint Quality Monitoring In progress data file (Verint/Witness)
PGS	PGSuper
PGS	PageStream Document (Grasshopper LCC)
PGT	Sothink Glenda Widget Tools File
PGU	PowerGREP Undo History (JGsoft - Just Great Software)
PGW	Map File
PGX	Visual Basic Binary Property Page File (Microsoft Corporation)
PGZ	StreamLync Download Archive (PalmGear)
PGZ	TPDesign ver 1.23 Control System Touch Panel Design (AMX Corporation)
PG_	Improve Compressed Audio File
PH	Profan Header File (rgh-soft.de)
PH	PERL Header
PH	Optimized Geoworks .GOH File
PH	MRS-802 Phrase Audio Data (Mono or Stereo Left Channel) (Zoom Corporation)
PH	Help Compiler Phrase Table
PH	AOL Phone Home Data File (America Online, Inc.)
PH3	PHP Script
PH4	PHP Script
PHANTASM	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PHAPACK	PhaPacker Format
PHASER	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PHB	NewLeaf PhraseBook
PHB	PhotoBase (ArcSoft, Inc.)
PHB	PhoneB Phonebook File
PHB	TreeView File
PHB	ClustaW Tree File
PHC	Home Embroidery Format
PHD	Tomb Raider Game Level file (Core Design)
PHD	Punch! 5 in 1 Home Design CAD Plan (Punch! Software)
PHD	ViewChoice (Payroll Associates, LLC)
PHD	PC Help Desk File
PHD	PolyHedra Database
PHE	WinChess Game Record
PHF	Photofont Font File (Fontlab Ltd.)
PHIST	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PHL	Icon Collection File
PHL	Database Configuration File
PHL	PHP Source File
PHM	DN - Lync Phone Book
PHM	Pro Home Manager Database (Pro Home Manager, LLC)
PHM	Phorm
PHN	Phun Scene (Algoryx)
PHN	Compuserve Signup File
PHN	PhoneFree Internet Telephone
PHN	Phormation
PHN	UltraFax/QmodemPro Phone List
PHO	Gerber Photoplot File
PHO	Metz Phone Phone List
PHP	PhotoParade Slideshow (Callisto Corporation)
PHP	PHP Script (The PHP Group)
PHP	Creatacard Quick Prints Project (Broderbund)
PHP	Presentation
PHP	Picture It! Publishing Project File (Microsoft Corporation)
PHP3	PHP Script
PHP4	PHP Script
PHP5	PHP Script
PHPR	PHPRunner PHPRunner Project File (XLineSoft)
PHPS	PHP Source (The PHP Group)
PHPT	PHP: Hypertext Preprocessor Make Test Test Suite (The PHP Group)
PHPW	GTK+ Application
PHQ	Handheld Quake Language File
PHR	LocoScript Phrases (LocoScript Software)
PHR	NoExcuse Phrase Checker
PHR	MRS-802 Phrase Audio Data (Stereo Right Channel) (Zoom Corporation)
PHR	iGO Phoneme Data
PHS	XtalView Phase File (The Computational Center for MacroMolecular Structures (CCMS))
PHS	PHScript File
PHS	xfit Phase File
PHT	Partial Hypertext File
PHTM	PHP Script
PHTML	web-iPerl Document
PHTML	PHP Script
PHTML	Embedded Perl (ePerl) File
PHV	Husqvarna Viking Sewing Machines Emroidery Disk File (Husqvarna Viking)
PHW	PhotoWebber Session File (Media Lab)
PHX	Phoenix Image Transfer Format
PHX	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PHX	PodFlow Firmware Update (Ikon AVS Ltd.)
PHY	Spicemod Asic File
PHY2	Marathon 2 Game Physics File (Bungie)
PHYS	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PHYSAO	Aleph One Physics Model (Marathon Open Source)
PHZ	Point Horizon Spreadsheet with Methods (Logic Scientific)
PH_	C Poet Compressed Disk1 File
PI	iPi Pi Calculation Storage (10101 Software)
PI	Image Japan PI
PI	Blazing Paddles
PI	Extension Associated with W32.Sobig.D@mm Worm
PI	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PI$	MS Compressed PIF
PI1	Degas & Degas Elite
PI2	Studio2 High Resolution Encrypted Image (Portrait Innovations, Inc.)
PI2	Degas & Degas Elite
PI2SHR	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PI3	Degas & Degas Elite
PI3SHR	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PI4	Degas & Degas Elite
PI5	Degas & Degas Elite
PI6	Degas & Degas Elite
PIANO	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PIC	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PIC	QuickTime Picture (Apple Inc.)
PIC	CADdy++ Mechanical 2D Picture Data (DataSolid GmbH)
PIC	Advanced Art Studio
PIC	Animator PIC/CEL Bitmap (Autodesk, Inc.)
PIC	Lotus Picture (IBM)
PIC	Macintosh Quickdraw/PICT Drawing
PIC	Radiance Scene Description Image
PIC	Psion Series 3 Bitmap (Psion PLC)
PIC	Pixar Picture
PIC	Picture
PIC	Micrografx Draw
PIC	Movie BYU File
PIC	MTV & Rayshade Image
PIC	Pictor Picture
PIC	PC Paint Bitmap Graphic
PIC	Rayshade Graphic
PIC	Stad File
PIC	IBM Storyboard Bitmap
PIC	Softimage
PIC	Handy Scaner Cameron Image
PIC	Delcam Picture File
PIC	SoftImage 3D Image
PIC	SDSC Image Tool Pixar Picture
PIC	Bio-Rad Confocal Image (Bio-Rad)
PIC1	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PIC2	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PIC3	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PIC4	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PIC5	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PIC6	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PIC8	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PICCATA	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PICHAND	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PICIO	Pixar Picture
PICON	Personal Icon
PICS	PICT Drawing Sequence
PICT	Macintosh Quickdraw/PICT Drawing (Apple Inc.)
PICT1	Macintosh QuickDraw/PICT Image (Apple Inc.)
PICT2	Macintosh Quickdraw/PICT Drawing
PICTCLIPPING	Macintosh OS X Picture Clipping (Apple Inc.)
PICTOR	PC Paint Image File
PICTURE	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PID	W32/Yayin-A Worm Data File
pid	UNIX Process ID File
PIE	Glove Programmable Input Emulator (GlovePIE) Script (Carl Kenner)
PIE	Studio2 High Resolution Encrypted Image (Portrait Innovations, Inc.)
PIE	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PIECE	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PIECES	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PIF	Windows Program Information File (Microsoft Corporation)
PIF	OS/2 Graphics Metafile
PIF	Macintosh Compressed File Archive
PIF	IBM PIF Drawing
PIF	GDF Format Vector Image
PIFAST	PiFast Data File (Xavier Gourdon and PAscal Sebah)
PIG	Ricoh IS30
PIG	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PIG	Lucas Arts Dark Forces WAD File
PIG	Descent Texture File
PIGG	City of Heros Virtual Drive Game File (Cryptic Studios)
PII	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PII	36-Image Converter Phoenx Inet Image (UIC Phoenxsoftware)
PIL	LABpilot Trend Data (CMA Microdialysis AB)
PIL	ICUpilot Trend Data (CMA Microdialysis AB)
PILE	chum Test Results (Piletest.com Limited)
PIM	Ultimate Draw Pascal Text Mode Image
PIM	Personal Information Manager File
PIM	PixMaker Project File
PIM	PIMPLE Compressed File (Ilia Muraviev)
PIM1	Pinnacle Systems Video File (Pinnacle Systems, Inc.)
PIN	PUDL Coded Split File Particle
PIN	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PIN	Atari ST Graphics Format
PIN	Compton's 3D World Atlas
PIN	Epic Pinball Data File
PIN	ArchiCAD (Graphisoft R&D Software Development Rt.)
PIN	Links Games Player Information File
PIN	Pushpin Set
PINBALL1	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PINBALL2	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PINE	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PIP	Office Personalized Menu and Toolbar (Microsoft Corporation)
PIP	JPEG,JPG,JPE, JFIF,PJPEG Compressed Bitmap Picture
PIPC	PIPE-FLO Compressible Database (Engineered Software, Inc.)
PIPE	PIPE-FLO Professional Piping System Design File (Engineered Software, Inc.)
PIPL	Photoshop 5.0 SDK Samplecode Colorpicker File (Adobe Systems Incorporated)
PIQ	Piped Technology Information Query (Queensgate Systems Ltd)
PIQT	QuickTime Still (Apple Inc.)
PIRA	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PISI	Pardus Linux Package (Scientific & Technological Research Council of Turkey)
PISTE	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PIT	PackIt Archive
PIV	Pivotal Sales Suite Activity File (Pivotal Corporation)
PIV	Pivot Stickfigure Animator Cartoon (Peter Bone)
PIW	PI ProcessBook Display Definition File (OSIsoft, Inc.)
PIX	LUMENA .PIX and .BPX File Formats
PIX	Roland Scanner File
PIX	Inset Systems Bitmap or Vector Graphic
PIX	ESM Software Pix
PIX	Alias PIX Bitmap
PIX	Truevision Targa Bitmap
PIX	Vort
PIX	Island Graphics
PIX	BRL-CAD RGB Raster Image (BRL-CAD Development Team and US Army)
PIX	SDSC Alias/Wavefront RLE Image
PIX	PrintMaster Graphic File
PIX	PABX Background Bitmap
PIXAR	Pixar Picture
PIXELPAINT	PixelPaint Professional Ver. 1.0/2.0 Image File
PIZ	Pizzicato Music Score (ARPEGE sprl)
PIZ	Renamed Zip File
PIZ	Pizza Connection 2 Saved Game (Virgin Interactive Entertainment)
PIZZA	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PI_	Compressed PIC or PIF File
PJ	SuperProject Project File
PJ	PaintJet PCL Bitmap (Hewlett-Packard)
PJ	Project64 Game Progress File
PJ	MKS Source Integrity File
PJ1	Project64 Save File
PJD	Portfolio 7 Exported Categories File (Extensis, Inc.)
PJF	Photojunction Format File (Photojunction Ltd.)
PJF	iAddress Postal Job File (Flagship Software Ltd.)
PJG	packJPG Lossless JPEG Compression (JIFIF Complient) (Hochschule Aalen)
PJG	Photo Assistant Image
PJL	ProCite Term Lists and Journal Title Lists
PJP	JPEG Image
PJPEG	JPEG Image
PJR	DVDx Project (labDV)
PJS	Purejapan Viewer
PJT	AcuBench Project File (Acucorp, Inc.)
PJT	Rational Rose Project (IBM)
PJT	Codewright Editor Project (Starbase)
PJT	Foxpro Project Memo (Microsoft Corporation)
PJT	Photojunction Template (Photojunction Ltd.)
PJX	Foxpro Project (Microsoft Corporation)
PJX	Foxpro Project index
PJXL	PaintJet XL PCL Bitmap (Hewlett-Packard)
PK	Audition Graphical Waveform (Adobe Systems Incorporated)
PK	LaTeX Compressed Font
PK	Text
PK	TeX DVI Driver Packed Bitmap Font
PK3	Quake III Engine PAK File (Id Software, Inc.)
PK3	Medal of Honor: Allied Assault
PK3	Heavy Metal: F.A.K.K.2 Archive
PK3	Return to Castle Wolfenstein (Id Software, Inc.)
PK3	American McGee Alice Archive (Electronic Arts, Inc.)
PK4	Railroad Tycoon 3 Packaged Graphics (PopTop Software Inc.)
PKA	Compressed Archive File
PKA	PointLineCAD 3D Keyframe Animation (Point Line, Inc.)
PKA	Packet Tracer Activity File For Practice (Cisco Systems, Inc.)
PKB	Oracle Package Body
PKB	QuickPOS (Point-Of-Sale) Keyboard Layout File
PKB	The Matrix Online Archive (Sony Online Entertainment Inc.)
PKC	ForeignDesk Project Archive
PKC	Jython JAR Index File
PKD	Turbo Pascal Compressed DOS Batch File (Borland Software Corporation)
PKD	Top Secret Crypto Gold Compressed File (TAN$TAAFL Software Company)
PKD	PowerKaraoke Project File (PAW)
PKF	ARTiSAN Real-time Studio
PKF	SecretAgent Key File
PKG	Systems Management Server (SMS) Package Description File (Microsoft Corporation)
PKG	OneSpace Designer Package (CoCreate)
PKG	Midtown Madness 3D Model (Microsoft Corporation)
PKG	Sun SVR4 Package Data Stream
PKG	InstallShield Compiled Setup Package (Acresso Software Inc.)
PKG	Playstation 3 Installation Package (Sony Corporation of America)
PKG	OS X Installer File (Apple Inc.)
PKG	Automise ActionStudio Action Design (VSoft Technologies Pty Ltd.)
PKG	P-CAD Database (Altium Limited)
PKG	Newton File/Application (Apple Inc.)
PKG	AppleLink Package Compression Format
PKG	MicroSim PCBoard External ASCII Package Definition File
PKG	Developer Studio Application Extension (Microsoft Corporation)
PKG	Next Installer Script
PKGLIST	Pepper Keeper Package Installation File (Pepper Computer, Inc.)
PKM	Pokésav Pokémon File (Mike Huang)
PKN	Systems Management Server (SMS) Package Creation Notification (Microsoft Corporation)
PKO	PublicKey Security Object
PKP	MS Development Common IDE Pakage Project File
PKP	Privacy Killer Plug-in Manager (SelinSoft)
PKPAK	Archive
PKR	Tony Hawk's Pro Skater 2 Archive (Neversoft Entertainment)
PKR	Pretty Good Privacy (PGP) Public Keyring (PGP Corporation)
PKS	Insight II NMR Peak Intensity/Integral (Accelrys Software Inc.)
PKS	Oracle Package Specification
PKT	EtherPeek Collected Packets
PKT	Fidonet Packet
PKT	TeX Font
PKT	Packet Tracer Network Simulation Model (Cisco Systems, Inc.)
PKT	TTC FireBerd 500 Capture File
PKV	Steam Package Data (Valve Corporation)
PKX	Rational XDE (IBM)
PKY	PockeTTY Security Certificate (DejaVu Software)
PKZ	Winoncd Images Mask File
PL	Harvard Graphics Palette (Harvard Graphics)
PL	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PL	TeX Property List Font Metric
PL	BRL-CAD 2D and 3D Plot File (BRL-CAD Development Team and US Army)
PL	Interleaf Printerleaf or WorldView Format
PL	Fractal Zplot Palette File (Mystic Fractal)
PL	Linux Shell Executable Binary
PL	PROLOG Program File
PL	PERL Program File
PL1	3D Home Architect Room Plan
PL3	Harvard Graphics Chart Palette (Harvard Graphics)
PL4	Pathloss Network Data File
PL4	Micrografx Designer Palette
PLA	ArchiCAD Plan Archive (Graphisoft R&D Software Development Rt.)
PLA	Connectivity Memory Model Plasticity Function Additional Precision Input File
PLA	STABCAL (stability calculation for aqueous systems) File
PLA	APT Assistant
PLA	Total Club Manager Training Routine (Electronic Arts, Inc.)
PLAN	Chief Architect Plan (Chief Architect)
PLASMA	Plasma Fractal Image
PLAT	Platinum Web Package Compiled Web File (Platinum Inc.)
PLATFORM	Topsy File
PLATO	PLATO Web Learning Network (PWLN) Temporary File (PLATO Learning, Inc.)
PLAY	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PLAY2	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PLAYER	Asle / ReDoX 6.1 Format
PLAYER	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PLAYER	The Player 4.0
PLAYER	2D Fighter Maker 2nd Player Data (Enterbrain, Inc.)
PLAYLIST	Cyberlink DVD Player Playlist (CyberLink Corp.)
PLAYSOUND	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PLB	Insight II Pseudoatom Library (Accelrys Software Inc.)
PLB	The Print Shop Multimedia Organizer
PLB	STABCAL (stability calculation for aqueous systems) File
PLB	PCAD Library Management Module File
PLB	Foxpro Library (Microsoft Corporation)
PLB	PhotoLine Browse Index
PLB	DESQview (Symantec Corporation)
PLB	Arena Picture Library (Rockwell Automation, Inc.)
PLB	MSC.Fatigue v9.0 Improved Performance Patch
PLB	AAICW Log File
PLB	MicroSim PCBoard Package Library File
PLB	LogoShow Screensaver
PLC	P-CAD Database (Altium Limited)
PLC	PL/B Object File (Sunbelt Computer Systems, Inc.)
PLC	Lotus Add-in (IBM)
PLD	PLD2 Source File
PLD	PINO 3
PLD	PhotoLine Image Document (Computerinsel)
PLD	Messenger Plus! Backup Configuration (Patchou)
PLD	MIE People Database (MIE Software Pty Ltd)
PLD	Oracle Binary Module Text Form File (Oracle)
PLD	Messenger Plus Pref Pack (Microsoft Corporation)
PLE	Messenger Plus! Encrypted Logfile (Patchou)
PLE	Phone2PC Sound File (Konexx)
PLEASURE	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PLENTY2	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PLEX	Visual Perl File
PLEZE	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PLF	InterVideo WinDVD Playlist File
PLF	SalesLogix Pick List Text File (Best Software)
PLF	PatchLink Patch Developers Kit Exported Patch Archive (PatchLink Corporation)
PLF	ProLife Cellular Automata Binary Data File
PLG	BPM Studio Play List Categories (ALCATech)
PLG	Sibelius Plug-in (Sibelius Software Ltd)
PLG	Aston Shell Plug-in (Gladiators Software)
PLG	REND386/AVRIL File
PLG	ButtonGadget
PLG	Developer Studio Build Log (Microsoft Corporation)
PLH	Paint Shop Pro Light Preset (Corel Corporation)
PLI	Oracle 7 Data Description
PLIST	Property List XML File
PLJ	PlayJ Music Format
PLJ	PLUS 2D Job File (Nirvana Technologies Pvt. Ltd.)
PLK	ATI Radeon Video Driver
PLK	Op9630 Am32 File
PLL	Oracle Binary Library Module (Oracle)
PLL	Clipper Prelinked Library
PLL	PAKLEO Compressed Archive
PLM	DisorderTracker2 Module
PLM	PDP-10 Program Logic Manual
PLM	Panasonic SD Voice Editor File (Panasonic Corporation of North America)
PLMA	U3 System File (U3 LLC)
PLN	Primavera Pertmaster Plan File (Primavera Pertmaster)
PLN	Psion Organiser Spreadsheet File (Psion PLC)
PLN	Flight Simulator Flight Plan (Microsoft Corporation)
PLN	Home Plan Pro Architecture Design (Home Plan Software)
PLN	InDesign 3rd Party Plug-in (Adobe Systems Incorporated)
PLN	RealFlight Radio Control Airplane Description (Knife Edge Software)
PLN	WordPerfect Spreadsheet File (Corel Corporation)
PLN	CTP Scene Definition File (Crater Software)
PLN	ArchiCAD 3D Model File (Graphisoft R&D Software Development Rt.)
PLO	STABCAL (stability calculation for aqueous systems) File
PLOT	UNIX Plot(5) Format
PLOTTER	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PLP	protexIP Project License Profile (Black Duck Software, Inc.)
PLP	Sansa Playlist (SanDisk Corporation)
PLP	PicaLoader Project File (VOWSoft, Ltd.)
PLP	Messenger Plus! Sound Pack (Patchou)
PLR	Player File
PLR	Descent Pilot File
PLRSTAT	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PLS	Shoutcast Audio Stream Information
PLS	WinAmp MPEG PlayList File (Nullsoft)
PLS	MYOB Data File (MYOB Technology Pty Ltd.)
PLS	Pronunciation Lexicon Specification (W3C)
PLS	Generic Playlist File
PLS	MattBatt iAM-player (MattBatt Productions)
PLS	DisorderTracker2 Sample
PLS	Napster MPEG PLayList File
PLS	Pro/ENGINEER Temporary File (PTC)
PLS	Real MP3 Playlist
PLSC	Messenger Script Pack (Microsoft Corporation)
PLT	Software Platform File
PLT	AutoCAD Plot drawing (Autodesk, Inc.)
PLT	PLATO Risk Management Data (Unisys)
PLT	X-wing vs. Tie Fighter Pilot File
PLT	Windows Update
PLT	Clipper Ver. 5 Pre-linked Transfer File
PLT	Palette
PLT	Page Magic Ver. 2.0 Paper Format
PLT	MicroStation Driver Configuration for Plotting (Bentley Systems, Incorporated)
PLT	Infinity Game Engine Bitmap Graphic (BioWare Corp.)
PLT	HP Graphics Language
PLT	Gerber Sign-making Software File
PLT	Organiser Paper Layout Definition (IBM)
PLT	Rhea-PV2D PlotView-2D Plot
PLT	dnaLIMS 3700 Sample Sheet (dnaTools)
PLT	OziExplorer Plot Track (Des & Lorraine Newman)
PLUGIN	Photoshop Plug-in (Adobe Systems Incorporated)
PLUGIN	OS X Plug-in (Apple Inc.)
PLUIE	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PLUS	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PLW	PicoLog Data File
PLX	PERL Programming Language Script
PLX	Neurological Data for Statistical Analysis
PLX	Executable Perl Script
PLX	iriver Plus Playlist (iriver)
PLY	MiDi PoWeR Playlist File (ACCORG)
PLY	Cyberware Scanner File
PLY	AIRO (Odetics Broadcast)
PLY	PopMail Data
PLY	Harvard Graphics Spotlight Presentation Screen (Harvard Graphics)
PLY	Polygon Model Format (Stanford University, Georgia Tech)
PLY	Blaze Media Pro File
PLZ	Lotus Freelance Presentation
PM	Perl Code Module
PM	Presentation Manager Graphic
PM	PrintMaster Graphic
PM	Rebel Assault File
PM	X Window PixelMap Bitmap
PM	Pegasus Mail Frequently Used File (David Harris)
PM	PageMaker Document (Adobe Systems Incorporated)
PM	Amiga Power Music Song/Module
PM!	Pegasus Mail Address Book Index (David Harris)
PM#	Pegasus Mail Status/Index File (David Harris)
PM$	Pegasus Mail Temporary File (David Harris)
PM0	Pegasus Mail State File (David Harris)
PM1	Pegasus Mail Auxiliary Address Book File (David Harris)
PM2	Pegasus Mail UID Information (David Harris)
PM3	Pegasus Mail (David Harris)
PM3	PageMaker Version 3 Document (Adobe Systems Incorporated)
PM4	PageMaker Version 4 Document (Adobe Systems Incorporated)
PM4	Pegasus Mail General Filtering Rules (David Harris)
PM5	Pegasus Mail New Messasge Template Script (David Harris)
PM5	PageMaker Version 5 Document (Adobe Systems Incorporated)
PM6	PageMaker Version 6 Document (Adobe Systems Incorporated)
PM6	Pegasus Mail Reply Template Script (David Harris)
PM7	Pegasus Mail Folder State File (David Harris)
PMA	Pegasus Mail Version 2.2 Data Archive (David Harris)
PMA	MSX Computers Archive Format
PMA	Windows Performance Monitor File (Microsoft Corporation)
PMA	Payroll Mate 2008 (RealTaxTools.com)
PMAP	Pocket Mindmap Mindmap File (JKRB Software)
PMAPZ	Pocket Mindmap Compressed Mindmap File (JKRB Software)
PMB	Pegasus Mail Version 2.2 Addressbook (David Harris)
PMB	Payroll Mate 2008 (RealTaxTools.com)
PMB	Polar Uplink Tool Bitmap Image (Polar Electro)
PMC	Perl Compiled Code Module
PMC	Pegasus Mail ASCII Format Mail Filter Rule (David Harris)
PMC	Windows Performance Monitor File (Microsoft Corporation)
PMC	A4Tech Scanner Graphic
PMD	PlanMaker Spreadsheet
PMD	Payroll Mate 2008 (RealTaxTools.com)
PMD	Polyphonic Ringtone File for Phones
PMD	PageMaker (Adobe Systems Incorporated)
PMD	Pegasus Mail User Dictionary (David Harris)
PME	Plazmic Media Engine File
PME	Pegasus Mail Filter Rule File (David Harris)
PME	Pixela Digital Picture (Pixela Corporation)
PMET	Spore Creature Metadata File (Electronic Arts, Inc.)
PMF	AppMind Process Management File (Appmind Software AB)
PMF	Pyrism Map File (Two Brothers Software)
PMF	Payroll Mate 2008 (RealTaxTools.com)
PMF	ArcReader GIS Mapping
PMF	Pegasus Mail Message Attachment (David Harris)
PMF	PCLTool PageTech Metafile File Format (Page Technology Marketing, Inc. (PageTech))
PMF	Playstation Movie Format (PSMF) (Sony Corporation of America)
PMG	Photomerge Composition (Adobe Systems Incorporated)
PMG	PageMaker Group File (Adobe Systems Incorporated)
PMG	Paint Magic
PMG	Pegasus Mail Folder Index (David Harris)
PMH	Pegasus Mail Phonemic Homonym Dictionary (David Harris)
PMI	Pegasus Mail Message Folder Index File (David Harris)
PMI	OS/2 Program Manager Information
PMJ	Pegasus Mail WinPMail State File (David Harris)
PMJ	3D Digital Scanner File
PMJX	3D Digital Scanner File
PMK	Pegasus Mail Keyboard File (David Harris)
PML	PADGen Program Information
PML	Process Monitor Process Capture File (Microsoft Corporation)
PML	Spin Promela Source Code File
PML	Windows Performance Monitor File (Microsoft Corporation)
PML	PageMaker Library (Adobe Systems Incorporated)
PML	Pegasus Mail Distribution List (David Harris)
PMM	Amaris BTX/2 Program
PMM	Pegasus Mail Message Folder (David Harris)
PMN	Pegasus Mail Annotation File (David Harris)
PMO	Pegasus Mail Saved Message (David Harris)
PMO	Print Master Gold Text
PMOD	Pike Module (Linköpings universitet)
PMP	Project Manager Pro Schedule
PMP	PHPMaker Project File (e.World Technology Limited)
PMP	AutoCAD R2000 Plotter Model Parameters (Autodesk, Inc.)
PMP	Pegasus Mail Notepad File (David Harris)
PMP	Photomorph Project
PMP	PowerMedia Color Palette
PMP	ThumbsPlus Graphic
PMP	Video
PMP	VideoCraft GIF Animator Project
PMP	Soldat Map Maker/Soldat Polymap File
PMP	Sony DSC-F1 Cyber-shot
PMPPKG	Pegasus Mail Pegasus Mail Preferences PacKaGe (David Harris)
PMQ	Pegasus Mail Mail Filter Rules (David Harris)
PMR	Windows Performance Monitor File (Microsoft Corporation)
PMR	PhotoModeler Project (Eos Systems)
PMR	Pegasus Mail Address Book (David Harris)
PMS	Pop'n Music Script
PMS	Personal Media Suite Encoded File (Freecom Technologies)
PMS	AliceSoft PMS Bitmap
PMS	Password Master Encrypted Password File (dreameesoft.com)
PMS	Pegasus Mail Signature (David Harris)
PMT	PageMaker Template (Adobe Systems Incorporated)
PMT	Technics Keyboard Panel Memory File
PMT	Pegasus Mail Tray File (David Harris)
PMTOOL	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PMU	Pegasus Mail Pmail Keyboard Macro-related File (David Harris)
PMV	Pegasus Mail Filter Rules (David Harris)
PMW	Pegasus Mail Draft Stored Messages To Be Sent (David Harris)
PMW	Windows Performance Monitor File (Microsoft Corporation)
PMX	Pegasus Mail Final Stored Messages To Be Sent (David Harris)
PMZ	Pegasus Mail Pmail Scrap Buffer (David Harris)
PM_	Musicato MUSICAT.ZIT Compressed File
PN2	International Systems Consultancy ParsNegar II Word Processor
PN3	Harvard Graphics Printer Driver (Harvard Graphics)
PNA	Panoramide Java 3D Panoramic Animations (Ki Solutions Group)
PNA	PhatNoise Media/Music Manager Audio File (PhatNoise, Inc.)
PNA	TomTom PNA Map Info (TomTom International BV)
PNAGENT	Program Neighborhood Agent (Citrix Systems, Inc.)
PNB	Pokémon NetBattle Trainer/Team File (Smogon)
PNC	Pegasus Mail Content Control Set Definition (David Harris)
PNC	IBM Voice Type Language Scripts Data File
PNC	Panasonic Network Camera Compressed Image (Panasonic Corporation of North America)
PND	Pension System Pending File (DATAIR Employee Benefit Systems, Inc.)
PND	Pegasus Mail Connection Information (David Harris)
PND	NstisApp.exe Hyperspectral Data File (Plain Sight Systems)
PNF	Portable Network Graphics Frame Bitmap
PNF	Precompiled Setup Information
PNF	Windows Precompiled Setup Information (Microsoft Corporation)
PNG	Spore Creature File (Electronic Arts, Inc.)
PNG	Portable (Public) Network Graphic
PNG	Paint Shop Pro Browser Catalog (Corel Corporation)
PNG	Fireworks Image File (Macromedia)
PNL	PEERNET Label Designer File
PNL	ProCon Control Panel Panel Control File (Roche AV)
PNL	TopSolid Nesting Module (Missler Software)
PNM	PBM Portable Any Map Graphic Bitmap
PNM	Pegasus Mail IMAP Message Flag Status (David Harris)
PNP	PEERNET Publisher (PEERNET Inc.)
PNP	Pegasus Mail POP3 Server Side Filter Rules (David Harris)
PNQ	ICQ Instant Message File (ICQ Inc.)
PNR	PEERNET Label Designer File
PNS	PEERNET Label Designer File
PNS	Pegasus Mail Formatted Signatures (David Harris)
PNT	RCSWin Paint File (RCS Corporation)
PNT	FTN Software Pointlist Segment
PNT	World Data Bank II Country Data File
PNT	Pro/ENGINEER Pen Table Plot (PTC)
PNT	PaperPort Thumbsview (ScanSoft Inc.)
PNT	DeskMate Paint Image
PNT	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PNT	ARC Format Vector Point Data
PNT	MacPaint Graphic File
PNT	MarkMail Qwk Reader Pointers
PNT	MacPaint Bitmap Graphic
PNTG	MacPaint Bitmap Graphic
PNU	PEERNET Label Designer File
PNV	CRiSP Harvest File
PNV	PCschematic PowerDistribution Project (DpS CAD-center ApS)
PNW	Poles 'n' Wires Project Data File (PowerMation)
PNX	Pegasus Mail RTF Version of Queued/Draft Message (David Harris)
PNY	QV Map Image File (Touratech)
PNZ	Panorama Shortcut to Open Multiple Databases (ProVUE Development)
PO	GNU Gettext Portable Object (Free Software Foundation)
po	UNIX Message Catalog Source
PO2	STABCAL (stability calculation for aqueous systems) File
PO3	STABCAL (stability calculation for aqueous systems) File
PO5	STABCAL (stability calculation for aqueous systems) File
POA	Fifa World Cup Game Data fe Art Legalscr File
POB	Punch CAD Program 3D Object (Punch! Software)
POC	PocoMail Script (Poco Systems, Inc.)
POD	Terminal Velocity Archive
POD	Text
POD	OpenProj Project File (Serena Software Incorporated)
POD	Punch CAD Program (Punch! Software)
POD	Bloodrayne
POD	PodFlow Project (Ikon AVS Ltd.)
pod	UNIX perldoc File
POEM	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
POEMS	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
POF	Tajima DG/ML Embroidery Design File (Pulse Microsystems Ltd.)
POF	Programming Object File
POG	Descent 2 Alternative Texture Set
POH	Optimized Geoworks .GOH File
POK	ZX Spectrum-Emulator
POKER	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
POL	Personal Paint Polish Language User Interface File (Amiga)
POL	Policy Windows 95 Network Setup
POL	InnovMetric Software 3D Polygon Models Format
POL	AscToHTM Policy File
POL	Windows Policy File
POL	Music File
POLICY	Opera Java Applets Permission File (Opera Software ASA)
POLICY	Java Policy File (Sun)
POLKA	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
POLYGONIA	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PONGLIFE	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
POO	8-bit Commodore 64 Machine Code
POO	INITeX String Pool
POOL	TeX Messages File
POP	dBASE Popup Menu
POP	PopMail Message Index
POR	Corel Painter Portfolio File
POR	SPSS Portable Data File (SPSS Inc.)
PORT	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PORT1	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PORT2	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PORT3	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PORT4	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PORT5	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
POS	Paint Shop Pro Polished Stone Preset (Corel Corporation)
POS	Notes Full Text Index (IBM)
POS	WinHex Position Data (X-Ways Software Technology AG)
POS	ProCite Output Styles
POS	QuickPOS IIF File
POS	POSTER Save File (Poster Software)
POSD	Viva Posterize Template (VIVA)
POST	Yahoo! Messenger Voice Mail (Yahoo! Inc.)
POSTSCRIPT	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
POT	GNU Gettext Portable Object Base Translation (Free Software Foundation)
POT	Animation
POT	PowerPoint Template (Microsoft Corporation)
POT	Fractint Continuous Potential Bitmap
POTHTML	Powerpoint HTML Template (Microsoft Corporation)
POTM	Power Point Microsoft Office Open XML Format Presentation Template with Macros Enabled (Microsoft Corporation)
POTMENX	egis Encrypted POTM (Powerpoint 2007) File (HiTRUST Inc.)
POTX	Power Point Microsoft Office Open XML Format Presentation Template (Microsoft Corporation)
POTXENX	egis Encrypted POTX (Powerpoint 2007) File (HiTRUST Inc.)
POV	Persistence of Vision Ray-tracer
POW	PowerChords Chord Chart
POWER	Goo Picture Library
POWER	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
POWERCHORD	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
POWERFIFTH	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
POWERFONT	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
POWERGS	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
POWER_OF_AMERICAN	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PP	Topocad Polygon Point Coordinate File (Chaos Systems AB)
PP	Perl Data Language PreProcessor File
PP	Free Pascal Source Code File (Free Pascal Development Team)
PP	Pocket Physics Saved Data (Tobias Weyand)
PP	Compressed Amiga Archive File
PP	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PP	Asta EasyPlan Project File (Asta Development)
PP$	Modem Bitware Fax Disk6 File
PP1	Free Pascal Compiled Unit for GO321v1 Platform (FPC Development Team)
PP2	PingPlotter Sample File (Nessoft, LLC)
PP2	Ping Plotter Saved Trace Data (Nessoft, LLC)
PP2	Curious Labs Poser Prop File
PP2	Visual Passage Planner Passage File (Digital Wave)
PP3	PlanetPress Suite 3 Form File (Objectif Lune)
PP3NSCALE	PlanetPress File
PP4	Picture Publisher
PP5	Picture Publisher
PPA	PowerPoint Add-in (Microsoft Corporation)
PPAM	Power Point Microsoft Office Open XML Format Add-in With Macros (Microsoft Corporation)
PPAMENX	egis Encrypted PPAM (Powerpoint 2007) File (HiTRUST Inc.)
PPB	WordPerfect Print Preview Button Bar (Corel Corporation)
PPC	Breeze Plug-in for PowerPoint Sync File (Macromedia)
PPC	Percussion Studio Compiled Rhythmic Patterns (Henry Kellner)
PPC	Uefa Champions League
PPC	XMap Flight Plan or Flight Plan Statistic File (Delorme)
PPC	Roxio Easy CD Creator File (Sonic Solutions)
PPD	PageMaker PostScript Printer Description (Adobe Systems Incorporated)
PPD	PhotoImpression Project (ArcSoft, Inc.)
PPD	PostScript Printer Description
PPENC	Magical Security Encrypted File (ashampoo GmbH & Co. KG)
PPF	Paint Shop Pro Soft Plastic Preset File (Corel Corporation)
PPF	Turtle Beach Pinnacle Program File
PPF	PlayStation Patch File
PPF	Micrografx Picture Publisher File
PPF	MENSI PointScape 3D Laser Scanner Project File
PPF	EdgeCAM Part Data (Pathtrace Engineering Systems)
PPF	Playstation Patch File (Sony Corporation of America)
PPG	ProPixel2D Image (Pacific Software)
PPG	Professor Franklin's Photo Print Gold
PPG	PowerPoint Presentation (Microsoft Corporation)
PPI	PowerPoint Graphics File (Microsoft Corporation)
PPJ	Premiere Video Editing File (Adobe Systems Incorporated)
PPK	PuTTY Win32 Telnet/SSH Client Private Key
PPK	PPK Archive
PPL	Harvard Graphics Polaroid Palette Plus ColorKey Driver (Harvard Graphics)
PPL	Free Pascal ppumove Free Pascal ppumove-Generated Library (Free Pascal Team)
PPM	Insight II Proton Chemical Shifts (Accelrys Software Inc.)
PPM	PBM Portable Pixelmap Graphic
PPMA	Portable Bitmap
PPN	Lexmark Firmware Flash File (Lexmark International, Inc.)
PPO	Free Pascal Compiled Unit for OS/2 Version (FPC Development Team)
PPO	Clipper Preprocessor Output
PPP	Punk Productions Picture
PPP	PagePlus Publication (Serif)
PPP	Parson Power Publisher
PPP	Point to Point Protocol
PPP	Picture Pump Project File
PPP	Enfocus Preflight Profile
PPR	PowerPlay OLAP Multidimensional Cube (Cognos Incorporated)
PPRINT	Pics Print File
PPS	Personal Producer Storyboard
PPS	ArcView Processing Set Codes (ESRI)
PPS	PowerPoint Slideshow (Microsoft Corporation)
PPSENX	egis Encrypted Powerpoint PPS File (HiTRUST Inc.)
PPSM	Power Point Microsoft Office Open XML Format Presentation Slide Show with Macros Enabled (Microsoft Corporation)
PPSMENX	egis Encrypted PPSM (Powerpoint 2007) File (HiTRUST Inc.)
PPSX	Power Point Microsoft Office Open XML Format Presentation Slide Show (Microsoft Corporation)
PPSXENX	egis Encrypted Powerpoint Open XML PPSX File (HiTRUST Inc.)
PPSXENX	egis Encrypted PPSX (Powerpoint 2007) File (HiTRUST Inc.)
PPT	PowerPoint Presentation (Microsoft Corporation)
PPT	BIFF File (Microsoft Corporation)
PPTENX	egis Encrypted Powerpoint PPT File (HiTRUST Inc.)
PPTHTML	Powerpoint HTML Document (Microsoft Corporation)
PPTM	Power Point Microsoft Office Open XML Format Presentation with Macros Enabled (Microsoft Corporation)
PPTMENX	egis Encrypted PPTM (Powerpoint 2007) File (HiTRUST Inc.)
PPTX	Power Point Microsoft Office Open XML Format Presentation (Microsoft Corporation)
PPTXENX	egis Encrypted PPTX (Powerpoint 2007) File (HiTRUST Inc.)
PPTXENX	egis Encrypted Powerpoint Open XML PPTX File (HiTRUST Inc.)
PPU	Free Pascal Compiled Unit for Linux or DOS Version (FPC Development Team)
PPV	Vox Proxy Animated Power Point (Right Seat Software, Inc.)
PPV	Punch CAD Program Thumbnail (Punch! Software)
PPV	Pogle Platinum Software Version Archive (Pandora International)
PPV	Pocket PowerPoint Presentation (Microsoft Corporation)
PPW	Free Pascal Compiled Unit for Windows Version (FPC Development Team)
PPW	Micrografx Picture Publisher Wizard
PPX	PowerPlay OLAP Reporting (Cognos Incorporated)
PPX	PingPlotter Script (Nessoft, LLC)
PPX	Serif PagePlus Publication
PPZ	PowerPoint Packaged Presentation (Microsoft Corporation)
PQ	Progress Quest Saved Character
PQ	PageMaker Default Printer Style (Adobe Systems Incorporated)
PQA	Palm Query Application File
PQB	PowerQuest Batch File
PQE	Easy Recovery Recovered Data (Kroll Ontrack Inc.)
PQF	Corel Presentations File (Corel Corporation)
PQG	Rescue ME/OS2/DOS File
PQI	PowerQuest Drive Imaging Software
PQI	PhreeqcI
PQO	PhreeqcI
PQT	PlasQuote Data File (Ampersand Design)
PQW	Corel Presentations 9 Runtime
PQX	Power Quest Drive Image Index
PQZ	QuaSZ Palette File (Mystic Fractal)
pr	UNIX Bitmap Source
PR	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PR	EROSION 3D Precipitation Parameters
PR	Sun Icon/Cursor
PR	Worm W32/Brontok-DP [and others]
PR0	Payroll Company Information (CheckMark Software, Inc.)
PR1	Packrat Ver 4.0 Data File
PR1	Payroll Empolyees (CheckMark Software, Inc.)
PR1	OzWin CompuServe E-mail/Forum Access Purged Message File
PR2	dBASE IV Printer Driver
PR2	Payroll Employee Checks (CheckMark Software, Inc.)
PR2	Proteus Session
PR2	Persuasion Presentation
PR2	Packrat 4.x data file
PR3	Persuasion Presentation (Adobe Systems Incorporated)
PR3	Payroll Employer Payees (CheckMark Software, Inc.)
PR3	dBASE IV PostScript Printer Driver
PR3	PFXplus Resource File (POWERflex Corporation)
PR4	Harvard Graphics Presentation (Harvard Graphics)
PR4	Payroll Employer Checks (CheckMark Software, Inc.)
PR5	Payroll Distributions (CheckMark Software, Inc.)
PRAY	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRB	PSpice PROBE Configuration File (Cadence Design Systems, Inc.)
PRB	xyALGEBRA File
PRC	Picture Gear Pocket
PRC	filePro Data Table (fp Technologies)
PRC	Hillwalker/MapWise/Alpiniste/PhotoMaps List of Parked Route Cards (ISYS Computers)
PRC	Palmpilot Resource File (Palm, Inc.)
PRC	Corel Presentation
PRC	Profan Compiled P-Code (rgh-soft.de)
PRC	PathAway Map (MuskokaTech.)
PRC	Medlin Accounting Current Year Paychecks (Medlin Accounting)
PRC	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRC	Rational Rose Processes (IBM)
PRD	Lode Runner Game
PRD	Product Designer Data File (ProductFoundry)
PRD	Printer Driver
PRE	Insight II Dynamics Scratch File (Accelrys Software Inc.)
PRE	NeroWave Editor Presets (Nero AG)
PRE	Programmer's WorkBench Settings
PRE	Freelance Graphics (IBM)
PRE	Stork Format CMYK Bitmap
PRE	SonicWALL SGMS Syslog (SonicWALL, Inc.)
PRECSTLE	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PREF	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PREFERENCES	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PREFERRED	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PREFIX	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PREFPANE	Macintosh OS X Preference Pane (Apple Inc.)
PREFS	Preferences File
PREFS	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PREL	Premiere Elements Project File (Adobe Systems Incorporated)
PREP	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PREQ	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PREQUAL	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRESENT	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRESENTS	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRESREL	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRESS	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PREVIZ	FrameForge 3D Studio Project (Innoventive Software, LLC)
PREXPORT	Premiere Preset (Adobe Systems Incorporated)
PRF	Fastgraph Pixel Run Format Graphics
PRF	Profan (rgh-soft.de)
PRF	Profiler Output
PRF	Preferences File
PRF	MicroImages Print Driver File (MicroImages, Inc.)
PRF	Plot Reference File
PRF	PICS Rules File
PRF	Monarch Portable Report File
PRF	Polychrome Recursive Format Bitmap
PRF	ClarisWorks Preferences File
PRF	McAfee Viruscan Profile
PRF	Director Settings (Macromedia)
PRF	dBASE IV Printer Driver
PRF	Atheros Profile File (Atheros Communications, Inc.)
PRF	Rapfile
PRF	Windows System File
PRF	CheckIt Pro 1.0 Data
PRF2	Nord Modular G2 Performance (Clavia DMI AB)
PRG	GEM Executable Program
PRG	xBase Website Code (Mauricio Fragoso)
PRG	PC-DMIS Part Program File (Wilcox Associates, Inc.)
PRG	Commodore PET/VIC20/64/128 Executable Programs in BASIC
PRG	WAVmaker Program
PRG	SpecEm Snapshot
PRG	RPG Toolkit Program Script (Christopher Matthews)
PRG	Atari ST Program (Infogrames Entertainment SA)
PRG	OzWin CompuServe E-mail/Forum Access Purged Message File
PRG	Program File
PRG	SHARP MZ-series Emulator File
PRG2	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRH	HomeSite 3.0 Project
PRH	Cold Fusion Studio 3.1 Project
PRI	Prisms
PRI	LocoScript Printer Definitions (LocoScript Software)
PRIMER	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRINCIPAL	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRINT	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRINT2	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRINTBUF16	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRINTBUF32	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRINTBUF48	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRINTBUF62	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRINTBUF8	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRINTER	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRISM	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRIVY	PrivyPad (SlavaSoft Inc.)
PRJ	MyCad IC Layout Architecture
PRJ	HitPlayer Advanced Playlist File
PRJ	Monarch File
PRJ	Maestro Project (Schrödinger, LLC)
PRJ	Pg4uw Project File (Elnec s.r.o.)
PRJ	Visual Café Project (Symantec Corporation)
PRJ	Turbo C Project File (Embarcadero Technologies, Inc.)
PRJ	MultiEdit Editor Project (MultiEdit Software)
PRJ	Project File
PRJ	AwpHelp Project
PRJ	ArcView ESRI Coordinate System Definition (ESRI)
PRJ	Visual Basic Project (Microsoft Corporation)
PRJ	FireFly SDK Designer Project (PlanetSquires Software)
PRJ	Stylus Studio Project FIle (DataDirect Technologies, a division of Progress Software Corporation)
PRJ	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRJ	3D Studio Project (Autodesk, Inc.)
PRJPCB	Altium Designer Project (Altium Limited)
PRJX	#develop (SharpDevelop) Project File (IC#Code)
PRJZIP	Maestro Compressed Project (Schrödinger, LLC)
PRK	Campground Master/Resort Master Database (Cottonwood Software)
PRK	Tony Hawk's Pro Skater 2 Saved Park (Neversoft Entertainment)
PRKLOG	Campground Master/Resort Master Log File (Cottonwood Software)
PRL	Perl Script
PRL	Paint Shop Pro Rough Leather Preset (Corel Corporation)
PRL	Process Revolution Object Library File
PRM	MYOB Premier 2004 Data File (MYOB Technology Pty Ltd.)
PRM	TomTom Map (TomTom International BV)
PRM	MicroImages Parameters File for Radar Slant to Ground Conversion (MicroImages, Inc.)
PRM	SYNETSIM Parameter File
PRM	BullsEye Style File
PRM	Parameter File
PRM	Premiere Plug-in (Adobe Systems Incorporated)
PRM	Prolog Module
PRN	XYWrite Printer Driver
PRN	Signature Printer Driver
PRN	Printer Text File
PRN	PostScript File
PRN	HP Printer Control Language
PRN	DataCAD Windows Printer File (DATACAD LLC)
PRN	Calcomp Raster Bitmap
PRNX	Developer Express XML Output Document (Developer Express Inc.)
PRO	Sid Meier's SimGolf
PRO	Terramodel Project File
PRO	Lorenz Graf HTML Tool Project
PRO	Atari Disk Image (Atari)
PRO	Configuration File (Profile)
PRO	Pegasus Mail Profile (David Harris)
PRO	IDL Source Code (Research Systems, Inc.)
PRO	PC|SCHEMATIC Automation Project/Document (PC|SCHEMATIC)
PRO	Fast-Talk Pronunciation File (Fast-Talk Communications, Inc.)
PRO	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRO	PV-WAVE Procedure File
PRO	Punch Pro Home Design File
PRO	Chord Pro Song Format (Mussoft)
PRO	Creamware Pulsar Audio File
PRO	Xilinx Integrated Software Environment JTAG Programmer Options File (Xilinx, Inc.)
PRO	DOS Graphics Profile File
PRO	Euphoria Profile (Rapid Deployment Software)
PRO	Guitar Chord File
PRO	Qt Project Configuration File (Qt Software)
PRO	PROLOG Program File
PRO	Infinity Game Engine Projectile Type Description (BioWare Corp.)
PRO	Pro/ENGINEER Configuration (PTC)
PRO	Pagis Pro Ver. 3.0 Graphic
PROCESSOR	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRODOS	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRODUCT	Norton Ghost File
PROFILE	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PROFILE	FastTrack Client Profile
PROFILE	UNIX Bourne or Kom Shell Environment File
PROFILES	Amaya Configuration
PROG	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PROGRAM	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PROGRAMMER	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PROJ	NeXT Interface Builder Project File
PROJ	Insight II NMR Project (Accelrys Software Inc.)
PROJ	Poseidon for UML Project Information (Gentleware AG)
PROJECT	Project Builder for WebObjects Project (Apple Inc.)
PROLAMP	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PROMIZER	Promizer v0.1/v1.0c/v1.8a/v2.0/v4.0 Formats
PROP	Spore Property File (Electronic Arts, Inc.)
PROP	Application Visualization System AVS High-end Visualization Environment.
PROPACKER	ProPacker v1.0/v2.1/v3.0 Formats [Asle / ReDoX]
PROPERTIES	Netscape Communicator Java Classes File
PROPERTIES	HSQLDB Configuration File
PROPERTIES	Java Properties File (Sun)
PRORUNNER	ProRunner v1/v2 Formats [Asle / ReDoX]
PROTECT	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PROTO	Windows Amaya File
PRP	Compressed GIMP Image with Properties of GIMP Properties File
PRP	Oberon Prospero Data Conversion Saved Project
PRP	Movie
PRP	Palace Server Server Configuration (Communities.com)
PRP	Rational Rose Model Properties (IBM)
PRP	Uru: Ages Beyond Myst Page Resource Package (PRP) File (Cyan Worlds, Inc.)
PRP	InstantDB Database File
PRPRESET	Premiere Preset (Adobe Systems Incorporated)
PRPROJ	Premiere Pro Project File (Adobe Systems Incorporated)
PRR	Office Password Recovery Encoded Text File (AccentSoft)
PRR	Perfect Resume Data
PRS	Yamaha Pro Style (Yamaha Corporation of America)
PRS	Office Password Recovery Password Recovery Status (AccentSoft)
PRS	LodeRunner Game
PRS	Printer Resource File
PRS	Lotus Freelance Presentation for OS/2
PRS	Norton Viewer DLL
PRS	WordPerfect Printer Resource Font File (Corel Corporation)
PRS	Harvard Graphics (Harvard Graphics)
PRS	dBASE Procedure
PRSL	Premiere Style (Adobe Systems Incorporated)
PRT	File Breaker Split File (Fenix Evolution)
PRT	CADKEY CADKEY Part File (Kubotek USA Inc.)
PRT	Personal Paint Portuguese Language User Interface File (Amiga)
PRT	SCEdit Part File
PRT	Schedule+ Print File (Microsoft Corporation)
PRT	Unigraphics Part File
PRT	Pro/ENGINEER Model File (PTC)
PRT	Presentations Template (Corel)
PRT	W32/Parrot-A Worm-related
PRT	Printer-formatted File
PRT	IRMA Workstation for Windows Printer Configuration
PRT	Dr.Halo Printer Driver
PRT	InterComm Pin Use Definition
PRT	Pro/ENGINEER Parts File (PTC)
PRT	Process Revolution Template File
PRT	P-CAD Component (Altium Limited)
PRT	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRT	Printer Configuration
PRT2	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PRTDOT	Solidworks Part Template (Dassault Systemes)
PRTL	Premiere Title (Adobe Systems Incorporated)
PRV	SecretAgent Private Key File
PRV	Publisher Page Wizard File (Microsoft Corporation)
PRV	psiMail ISP Template
PRV	Previous Version
PRV	ClarisWorks File
PRV	Backup
PRVKR	Pretty Good Privacy (PGP) Private Keyring (PGP Corporation)
PRW	Jigs@w File (Tibo Software)
PRW	Art-lantis Shader's Preview (ABVENT)
PRW	PR Weaver Saved Data File (PR Weaver Software)
PRX	Playstation Plug-in File (Sony Corporation of America)
PRX	Media Player Ver. 9 XML/Media File (Microsoft Corporation)
PRX	Atari ST Executable
PRX	Foxpro Compiler Program (Microsoft Corporation)
PRX	Process Revolution Diagram File
PRX	Primavera Project Planner Compressed Project (Primavera Systems, Inc.)
PRZ	Freelance Graphics 97 File (IBM)
PR_	Compressed Project File
PS	Works File (Microsoft Corporation)
PS	PostScript
PS	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PS	PaulShields Song/Module
PS0	PS/2 File
PS1	PostScript File
PS1	Windows PowerShell Script (Microsoft Corporation)
PS16	Protracker Studio 16 Format
PS2	Level II PostScript File (Adobe Systems Incorporated)
PS3	Level III PostScript File (Adobe Systems Incorporated)
PS5	ProSteel 5 Data File (Survey Design Associates Ltd.)
PSA	ProSpace Schematic File
PSA	Pretty Simple Archive Compressed Archive
PSA	Intactix pro/space Plus Planogram (Floorplan) (JDA Software Group, Inc.)
PSA	Photoshop Album Photo Album File (Adobe Systems Incorporated)
PSAFE3	Password Safe Database
PSAR	Playstation Update Data (Sony Corporation of America)
PSB	Paint Shop Pro Sunburst Preset (Corel Corporation)
PSB	Pinnacle Sound Bank
PSB	Project Scheduler Configuration File
PSB	Photoshop Large Document Format (Adobe Systems Incorporated)
PSC	Paint Shop Pro Sculpture Preset (Corel Corporation)
PSCOLLECTION	PornSnatcher Collection Data (PORNSnatcher.com)
PSD	Photoshop Format (Adobe Systems Incorporated)
PSD	Periscope Debugger Definition File
PSD	DESIGN II for Windows General Flowsheet
PSD	Apple Viewer (Apple Inc.)
PSE	IBM Printer Page Segment Bitmap
PSE	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PSEG	IBM Printer Page Segment Bitmap
PSEG3820	IBM Printer Page Segment Bitmap
PSEG38PP	IBM Printer Page Segment Bitmap
PSETUP	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PSF	MicroStation Plot Specification (Bentley Systems, Incorporated)
PSF	Photoshop Proof Setup (Adobe Systems Incorporated)
PSF	HP-UX Software Distributor Product Specification File (Hewlett-Packard Development Company, L.P.)
PSF	Eclipse Project Set File (The Eclipse Foundation)
PSF	Windows Server Update Services Patch Storage File (Microsoft Corporation)
PSF	PowerSoft Report File
PSF	ChiWriter PostScript Printer Font
PSF	Insight II X-PLOR Molecular Structure File (Accelrys Software Inc.)
PSF	Playstation Metadata File (Sony Corporation of America)
PSF	Playstation Sound Format (Sony Corporation of America)
PSF	PowerArchiver Skin (ConeXware)
PSF	PhotoStudio Graphic (ArcSoft, Inc.)
PSF	PostScript Support File
PSF2	Playstation 2 Sound Format (Sony)
PSFLIB	Playstation Sound Format (Playstation Sound Format Library) (Sony Corporation of America)
PSFLIB2	Playstation 2 Sound Format (Playstation Sound Format Library) (Sony)
PSH	ProShow Show File (Photodex Corporation)
PSH	Punch Home Design Series CAD Data File
PSH	Lexmark Firmware Flash File (Lexmark International, Inc.)
PSI	Adesign Image File (Pierresoft.com)
PSI	Psion A-law Audio (Psion PLC)
PSIC	PhotoStudio Icon File (ArcSoft, Inc.)
PSID	PostScript Image Data
PSID	Word Sidtune File Format
PSION	Psion A-law Audio (Psion PLC)
PSK	Unreal Engine Character (Epic Games, Inc.)
PSL	PATROL Script Language Script (BMC Software, Inc.)
PSL	PowerTerm Script Language (Ericom Software)
PSL	Accellera Property Specification Language Source Code File (Accellera)
PSL	Sierra Mastercook Layout File
PSL	MicroSim PCBoard Padstack Library File
PSM	Solid Edge Document (UGS PLM Solutions)
PSM	SolidEdge CAD File
PSM	Turbo Pascal Symbol Table (Borland Software Corporation)
PSM	Protracker Studio Module Format
PSM	Epic Games Sound Data
PSM	Prism Desktop Data Driven Dynamic Document (Sisense Ltd.)
PSM	PrintShop Mail Data File (Atlas Software BV)
PSM5	PrintShop Mail Data File (Atlas Software BV)
PSMD	PrintShop Mail Document (Atlas Software B.V.)
PSMODEL	Delcam Powershape
PSMT	PrintShop Mail Template (Atlas Software B.V.)
PSN	Sound Script Presentation
PSN	Post-it Software Notes (3M Company)
PSO	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PSOD	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PSP	PL/SQL Server Page (Oracle)
PSP	Prodea Synergy Procedure
PSP	Scenicsoft Preps
PSP	Streets & Trips PushPin File (Microsoft Corporation)
PSP	Project Scheduler Planning File
PSP	Paint Shop Pro Image (Corel Corporation)
PSP	SYNETSIM Synaptic Transmitter File
PSPAUTOSAVE	Paint Shop Pro Ver. 8+ Auto Save File (Corel Corporation)
PSPBRUSH	Paint Shop Pro Ver. 8+ Brush (Corel Corporation)
PSPBUMPMAP	Paint Shop Pro Ver. 8+ Bump Map (Corel Corporation)
PSPCACHE	Paint Shop Pro Ver. 8+ Cache (Corel Corporation)
PSPCMYKPROFILE	Paint Shop Pro Ver. 8+ CMYK Profile (Corel Corporation)
PSPD	PhotoSuite Ver. 5 File (Sonic Solutions)
PSPDEFORMATIONMAP	Paint Shop Pro Ver. 8+ Deformation Map (Corel Corporation)
PSPENVIRONMENTMAP	Paint Shop Pro Ver. 8+ Environment Map (Corel Corporation)
PSPFRAME	Paint Shop Pro Ver 8+ Frame (Corel Corporation)
PSPGRADIENT	Paint Shop Pro Ver. 8+ Gradient (Corel Corporation)
PSPIMAGE	Paint Shop Pro Ver 8+ Image (Corel Corporation)
PSPMASK	Paint Shop Pro Ver 8+ Mask (Corel Corporation)
PSPPALETTE	Paint Shop Pro Ver. 8+ Palette (Corel Corporation)
PSPSCRIPT	Paint Shop Pro Ver 8+ Script (Corel Corporation)
PSPSELECTION	Paint Shop Pro Ver. 8+ Saved Selection (Corel Corporation)
PSPSHAPE	Paint Shop Pro Ver 8+ Shape (Corel Corporation)
PSPSTYLEDLINE	Paint Shop Pro Ver. 8+ Styled Line (Corel Corporation)
PSPTUBE	Paint Shop Pro Ver 8+ Tube (Corel Corporation)
PSPWORKSPACE	Paint Shop Pro Ver 8+ Workspace (Corel Corporation)
PSQ	Postscript Grafic
PSR	Project Scheduler Resource File
PSR	PowerSoft Report (Sybase, Inc.)
PSR	PowerSoft Report DataStore (OLE Storage Version) (Sybase, Inc.)
PSS	Type Manager PostScript Stub (Adobe Systems Incorporated)
PSS	Axialis Screen Saver Producer
PSS	Paint Shop Pro Sandstone Preset (Corel Corporation)
PSS	AutoCAD Plot Stamp Settings (Autodesk, Inc.)
PSS	Playstation Game File (Sony Corporation of America)
PSS	Pocket SlideShow Converted PowerPoint Presentation (CNetX)
PSSD	PhotoSuite Ver. 5 Slideshow (Sonic Solutions)
PSSG	Race Driver: GRID Car Livery (The Codemasters Software Company Limited)
PST	BMail Postbox File
PST	LightWave 3D Preset (NewTek)
PST	Lahey Fortran Paste Buffer
PST	Outlook Personal Folder File (Microsoft Corporation)
PST	MIDI Studio Preset File (MAGIX)
PST	Ulead Pattern (Corel Corporation)
PST	Yamaha Pianist (Solo Piano) Style (Yamaha Corporation of America)
PST	Medbasin Parameter File (National Technical University of Athens, Laboratory of Reclamation Works & Water Resources Management)
PST	Mastercam Post Processor File (CNC Software, Inc.)
PSV	Psychedelic Screen Saver Graphic (Synthesoft Corporation)
PSV	Playstation 2/3 Saved Game (Sony Corporation of America)
PSW	Paint Shop Pro Straw Wall Preset (Corel Corporation)
PSW	Windows XP/Vista Backup Password File (Microsoft Corporation)
PSW	Print Shop Deluxe Ver. 6 File (Broderbund)
PSW	Pocket Word Document (Microsoft Corporation)
PSX	Dirty Little Helper Chat File
PSX	Playstation Single Game Save (Sony Corporation of America)
PSY	Psychedelic Screen Saver Saved Settings (Synthesoft Corporation)
PSY	Psychedelic Windows Products
PSY	PSYCLE Tune/Song
PSY	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PSY	PLD2 System File
PSZ	Creaf Awedip Doc File
PT	Pitch Track Sound
PT	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PT	PTab Spreadsheet (Z4Soft)
PT	Pop!site HTML
PT	Kodak Precision Transform
PT	Player Tools Game Crack
PT	PassMark PerformanceTest File (PassMark Software)
PT3	ProTracker 3.x Compilation
PT3	Harvard Graphics Device Driver (Harvard Graphics)
PT3	PageMaker Version 3 Document Template (Adobe Systems Incorporated)
PT3	Protext, Protext///e, and DBFsvr Formatted Text Data File (A. Dombi Engineering /A/D/E/)
PT4	PageMaker Version 4 Document Template (Adobe Systems Incorporated)
PT4	ProtoTRAK Design Control File (Southwestern Industries, Inc.)
PT5	PageMaker Version 5 Document Template (Adobe Systems Incorporated)
PT6	PageMaker Version 6 Document Template (Adobe Systems Incorporated)
PTB	Pro/ENGINEER Table (PTC)
PTB	Peachtree Complete Accounting Backup Data File (Best Software SB, Inc.)
PTB	PubTach Batch Works Script
PTB	Power Tab Guitar Tablature Editor
PTBL	PIPE-FLO Professional Pipe Data Table (Engineered Software, Inc.)
PTC	PFXplus Compiled Program (POWERflex Corporation)
PTC	ABBYY Finereader 5.0 Pro (ABBYY Software House)
PTC	NRG Symphonie Patch File
PTD	PTCS Data File (DATAIR Employee Benefit Systems, Inc.)
PTD	Pro/ENGINEER Temporary File (PTC)
PTD	Pro/ENGINEER Table (PTC)
PTDB	Peachtree Accounting Database
PTE	Picture to EXE Project
PTE	Pop!site
PTF	Playstation Theme (Sony Corporation of America)
PTF	Pro Tools Ver 7.0+ Session File (Avid Technology, Inc.)
PTF	ProTracker Tennis Match File (Fieldtown Software)
PTF	LiveNote Legal Transcript File (LiveNote Technologies)
PTG	ArtRage Project (Ambient Design Ltd.)
PTH	VisualGPSXP Path File (VisualGPS, LLC.)
PTH	4th Dimension Database Windows Pathname Document (4D, Inc.)
PTI	IBM Configurator Configuration
PTI	Punch! Professional Home Design Texture Info File (Punch! Software)
PTI	Pop!site
PTI	PTI-Plug-in Graphic
PTIF	Pyramid Encoded TIFF
PTK	Red Alert 2 File
PTK	Quicken On-line Data File (Intuit Inc.)
PTK	Puntotek Cross-Stitch Pattern (Mediatek Sistemas S.C.)
PTL	Painter4 File
PTL	Corel Painter Pattern, Selection or Texture File
PTL	Python Template Language File
PTL	Rational Rose Export/Import File (IBM)
PTL	Site Builder Path Translation List
PTL	Premiere Pro Title (Adobe Systems Inc.)
PTL	Visual Modeler Petal File (Microsoft Corporation)
PTL	Paint Shop Pro Tile Preset (Corel Corporation)
PTM	PubTech BatchWorks Macro
PTM	PolyTracker Music Module
PTM	MapPoint Map (Microsoft Corporation)
PTM	Page Magic Ver. 2.0 Template
PTM	BioWare Aurora Engine Plot Manager (BioWare Corp.)
PTM	PTMac Project File (Kekus Digital)
PTM	Module audio Poly Tracker
PTM	Polynomial Texture Map
PTMC	PTMac Project File (Kekus Digital)
PTN	Housecall Virus Pattern File (Trend Micro, Inc.)
PTN	Amaya Dicopar File
PTN	PaperPort Thumbnail Images (ScanSoft)
PTN	CADKEY Pattern File (Kubotek USA Inc.)
PTO	hugin Project (hugin-ptx group)
PTP	ToolBook Instructor/Assistant Book (SumTotal Systems, Inc.)
PTP	Docklight Project File (Flachmann und Heggelbacher)
PTP	Primo Computer Emulator Tape File
PTP	C Poet Examples Advanced File
PTP	ACT! Modem Sync File (Best Software CRM Division)
PTR	OS/2 Cursor Image
PTR	QMail Qwk Reader Pointer
PTRON	Proxomitron Configuration File (Scott R. Lemmon (deceased))
PTS	3D Points File
PTS	Infinity Engine Game Tileset
PTS	Halflife Map Creation Debug File
PTS	ABBYY Finereader 5.0 Pro (ABBYY Software House)
PTS	PTgui Project (New House Internet Services B.V.)
PTT	MapPoint Template (Microsoft Corporation)
PTT	BioWare Aurora Engine Blueprint (BioWare Corp.)
PTT	Context4 DOS Word Processor Print File
PTU	Performer Terrain Utilities
PTV	MemoriesOnTV Photo Slide Show Project (CodeJam Pte Ltd)
PTVW	Exact Business Analytics Template (Exact Holding N.V.)
PTX	Punch! Professional Home Design Texture File (Punch! Software)
PTX	Rayman2 File
PTX	Printronix Bitmap
PTX	Pop!site
PTX	Paint Shop Pro Texture Preset (Corel Corporation)
PTX	RealLegal E-Transcript of Court Proceedings (RealLegal,LLC)
PTX	CUDA Parallel Thread Execution Assembly Language File (NVIDIA Corporation)
PTX	Pentax RAW Bitmap Graphic (PENTAX Corporation)
PTX	PTCS Index File (DATAIR Employee Benefit Systems, Inc.)
PTY	PockeTTY Saved Session (DejaVu Software)
PTY	Rational Rose 98 Properties (IBM)
PUB	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PUB	Print Perfect Gold Template
PUB	Ventura Publisher (Corel Corporation)
PUB	NeoBook NBW Publication Source File (NeoSoft Corp.)
PUB	The Sims Family Data (Electronic Arts (Maxis))
PUB	Publisher Document (Microsoft Corporation)
PUB	Pretty Good Privacy (PGP) Public Key Ring (PGP Corporation)
PUBHTML	Publisher HTML Document (Microsoft Corporation)
PUBKR	Pretty Good Privacy (PGP) Public Keyring (PGP Corporation)
PUBLIC	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PUBLISHED	Project Server-Published Project (Microsoft Corporation)
PUBMHTML	Publisher Archived HTML Document (Microsoft Corporation)
PUD	Warcraft III PUD Map (Blizzard Entertainment)
PUF	Puffer Encrypted File
PUHS	Universal Hint System Source File (Universal Hint System)
PUI	Publish-iT Save File (Poster Software)
PUI	Foobar2000 Panels UI Configuration File (Peter Pawlowski)
PUL	Dinfo File
PULLDOWN	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PUMPKIN	Pumpkin Shop Stencil (Fireburg Media)
PUMPUPJAM	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PUNC	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PUNC2	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PUP	Playstation System Software Update (Sony Corporation of America)
PURBLEPAIRSSAVE-MS	Purble Place Pairs Save File (Microsoft Corporation)
PURBLESHOPSAVE-MS	Purble Place Shop Save File (Microsoft Corporation)
PURGE	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PUT	PUT Compressed File Archive (MicroFox Company)
PUT	Wscan Graphic
PUT	Instalit Script
PUZ	Across Crossword Puzzle (Literate Software Systems)
PUZ	BrainsBreaker Puzzle
PUZ	General Name for a Puzzle File
PUZ	Packed Publisher File (Microsoft Corporation)
PUZ	Puzzle
PUZ	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PUZZ	X11 Puzzle Bitmap
PUZZLE	X11 Puzzle Bitmap
PV	Phase Vocorder Analysis Data
PV	CONSEL Output P-Value File (Dept. of Mathematical and Computing Sciences Tokyo Institute of Technology)
PVA	Process Panel Builder Application File (Rockwell Automation)
PVA	PVA Video (TechnoTrend AG)
PVA	Hauppauge DVB-Software
PVB	VirtualBoss PocketPC Data (VirtualBoss Development Co.)
PVC	Process Panel Builder Application File (Rockwell Automation)
PVD	ParaView Data Object (Kitware, Inc.)
PVD	Packet Analyzer Data File (Klos Technologies)
PVD	PageRecall (Authentica)
PVD	Install-It Script
PVD	PacketView Pro Packet Trace Data (Klos Technologies, Inc.)
PVD	Picture Browser Cache (Canon Software Publishing)
PVE	GoBeProductive Document (Gobe Corporation, Inc.)
PVF	PageRecall (Authentica)
PVG	Encarta World Atlas Pushpins (Microsoft Corporation)
PVI	POD-Bot Knowledge File
PVI	PVElite Pressure Vessel Analysis File (COADE, Inc.)
PVI	Picture Browser Cache Index (Canon Software Publishing)
PVI	Wave Corrector Anti-piracy File (Ganymede Test & Measurement)
PVK	PVK Private Key (Microsoft Corporation)
PVL	Instalit Library
PVM	Sonic Adventure DX Game Object (Sega of America, Inc.)
PVM	OSTA.org MusicPhotoVideo (OSTA (Optical Storage Technology Association))
PVM	Parallels Desktop for Mac Virtual Machine File (Parallels, Inc.)
PVN	Design & Print, Business Edition Document (Avanquest Publishing USA, Inc.)
PVP	Pan&Vision Project (Akromon)
PVR	Sonic Adventure DX (Possibly) Level File (Sega of America, Inc.)
PVR	PVR-CONV
PVR	Dreamcast VR Texture (Sega)
PVR	POWERVR Texture File (Imagination Technologies Ltd.)
PVS	Scarlett Expert System Compiler Reserved Words File
PVS	Parallels Desktop for Mac Virtual Machine Configuration File (Parallels, Inc.)
PVS	PolyView Slide Show Script (Polybytes, Inc.)
PVT	Local Fidonet Pointlist
PVTI	ParaView Parallel (Partitioned) VTK Image Data (Kitware, Inc.)
PVTK	ParaView Parallel (Partitioned) Legacy VTK File (Kitware, Inc.)
PVTP	ParaView Parallel (Partitioned) VTK Polygonal Data (Kitware, Inc.)
PVTR	ParaView Parallel (Partitioned) VTK Rectilinear Grid (Kitware, Inc.)
PVTS	ParaView Parallel (Partitioned) VTK Structured Grid (Kitware, Inc.)
PVTU	ParaView Parallel (Partitioned) VTK Unstructured Data (Kitware, Inc.)
PVU	PaleoVu Paleoenvironmental Data
PVW	Portfolio Saved View (Extensis, Inc.)
PVX	ParaView Configuration XML File (Kitware, Inc.)
PW	Pointwise Database (Pointwise, Inc.)
PW	Professional Write Text File
PW	Pathetic Writer Document (Ulric Eriksson)
PWA	Password Agent File
PWB	PhotoWeb Image File (Magnitude)
PWB	Password Boss Data File (Ammosoft Software)
PWC	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PWC	Pulse Web Content (Pulse Entertainment, Inc.)
PWC	COSMI Street Maps and Vacation Planner
PWCHECK	Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
PWD	AutoCAD Password (Autodesk, Inc.)
PWD	Password Pro File
PWD	Pocket Word Document (Microsoft Corporation)
PWD	TBAV File
PWD	Solid Edge Document (UGS PLM Solutions)
PWD	Password Officer Password File (COMPELSON Trade s.r.o.)
PWDER	Personal Passworder Database (DVAsoft)
PWF	ProCite Workforms
PWF	POD-Bot Waypoint File
PWF	Power Writer Story File (ScriptPerfection Enterprises, Inc.)
PWI	PowerINSPECT Saved Format File (Delcam plc.)
PWI	InkWriter/Note Taker/Pocket Word Document (Microsoft Corporation)
PWINSURED	Policy Works Insured File (Tec4 Systems Inc.)
PWK	Password Keeper File
PWL	Windows Password List (Microsoft Corporation)
PWP	Smith Corona Word Processor File (Smith Corona)
PWP	Photoworks Image File
PWP	Professional WritePlus Document
PWP	Seattle Film Works Multi-image File
PWRK	Apple IIGS Image (Apple Inc.)
PWS	ProWorks(DB) Start File (Everett Charles Technologies)
PWT	Pocket Word Template File (Microsoft Corporation)
PWT	Password Tracker Deluxe Tracking List (Carl L. Roth)
PWT	AutoCAD Publish-to-Web Template (Autodesk, Inc.)
PWT	HotDog PageWiz Template
PWX	Poles 'n' Wires Registration Data File (PowerMation)
PWZ	PowerPoint Wizard (Microsoft Corporation)
PX	Primary Index
PX	Paradox Primary Database Index (Corel)
PX	PC-Axis Family Statistical Data (Statistics Sweden)
PX	Pixel Image (Pavel Kanzelsberger)
PX	Photodex Producer Streaming Video (Photodex Corporation)
PX0	Production Studio Patch File (Babya)
PX1	Production Studio Melody Sequence File (Babya)
PX1	Image Pixel Paint
PXA	Pegs
PXA	Pixia Color Painter File
PXB	Pixibox
PXC	MatrikonOPC Server Configuration File (Old) (Matrikon Inc.)
PXC	PX-Edit Classifications (Statistics Finland)
PXD	ProxyDesigner Design File (ProxySource, Inc.)
PXD	eJay Mixer File
PXE	Partial XML Envelope
PXF	Tajima DG/ML Embroidery Design File (Pulse Microsystems Ltd.)
PXF	STAR Transit Translation Project (STAR Medien AG)
PXG	PixRef Pro Configuration File (Pi Shurlok Ltd)
PXI	$$D2K.PXI associated with a Trojan
PXI	PlexTools CD Image (Plextor)
PXI	Pixie File
PXJ	Sonic RecordNow! Project (Hewlett-Packard Development Company, L.P.)
PXJ	Pixtran File
PXK	PX-Edit Metadata (Statistics Finland)
PXL	Pocket Excel Worksheet (Microsoft Corporation)
PXL	Pixclscript Script
PXL	Pixel Data of TeX Driver
PXM	PCSX Movie Capture Format
PXM	Pixelmator Graphic (Pixelmator Team Ltd.)
PXM	Pixel Magician Graphic
PXN	PictureWorks PhotoEnhancer Graphic Image
PXN	Twain32 File
PXN	Pixtran File
PXO	PicoBackup Backup Script (Acubix)
PXP	POD-Bot File
PXP	PhraseExpress Phrase File (Bartels Media GmbH)
PXP	3D Studio Process File (Autodesk, Inc.)
PXR	Pixar Picture
PXS	Pegs
PXT	PEST - The Professional Exam System Quiz Script (Vellosoft)
PXT	Pocket Excel Template (Microsoft Corporation)
PXT	Nte2000 File
PXV	Pixbend Player Pixbend Media File (Nexilogic)
PXW	Tamarack ArtiScan Driver
PXW	Pixtran
PXW	Twain32 File
PXX	ProteXXion Suite Data File (Bayer Technology Services GmbH)
PXY	Topocad (Chaos Systems AB)
PY	Oracle Batch Procedure
PY	Python Script or Library (Python Software Foundation)
PY	Yahoo! Instant Messenger Saved Messages
PY1	ViewChoice (Payroll Associates, LLC)
PY2	ViewChoice (Payroll Associates, LLC)
PYC	Python Compiler Script (Bytecode) (Python Software Foundation)
PYD	Python Dynamic Module (Python Software Foundation)
PYM	PYM Python Preprocessor Macro
PYO	Python Optimized Code (Python Software Foundation)
PYTHON	Python Script (Python Software Foundation)
PYW	Python Script (Python Software Foundation)
PZ	PNG Compressed File
PZ2	Curious Labs Poser Pose File
PZ3	Curious Labs Poser Document
PZA	MGI PhotoSuite II/III/4 Album File (Sonic Solutions)
PZC	GraphPad Prism Script
PZD	Pocket Zone Drawing (The CAD Zone, Inc.)
PZD	Pizazz Plus Defaults
PZF	GraphPad Prism Project (GraphPad Software, Inc.)
PZF	Piezoelectric Resonance Analysis Program (PRAP) Resonance Spectrum (TASI Technical Software Inc.)
PZFX	GraphPad Prism Project (GraphPad Software, Inc.)
PZH	Presto Job (Soft S.A.)
PZI	Pizazz Plus Graphics File
PZL	Puzzle
PZL	Lode Runner Game Puzzle
PZL	Jigs@w Puzzle (Tibo Software)
PZL	UNIX Puzzle Bitmap
PZM	GraphPad Prism
PZO	Pizazz Plus Overlay
PZP	Jigs@w Saved Puzzle (Tibo Software)
PZP	MGI PhotoSuite II/III/4 Project File (Sonic Solutions)
PZP	Pizazz Plus Palette
PZS	MGI PhotoSuite II/III/4 Slide Show File
PZS	Pizazz Plus Settings
PZT	GraphPad Prism Template
PZT	Pizazz Plus Transfer File
PZX	Pizazz Plus Swap File
PZZ	Curious Labs Compressed Poser File