| Extension |
File Type |
File Description |
| .p | Developer | Python Pickle File |
| .p | Developer | Pascal Source Code |
| .p | Plugin | LightWave Plug-in |
| .p01 | Disk Image | Toast CD Image |
| .p01 | Disk Image | GEAR CD/DVD Disc Image |
| .p10 | Misc | Certificate Request File |
| .p12 | Web | Personal Information Exchange File |
| .p21 | 3D Image | Express STEP Data Model File |
| .p2g | Disk Image | Power2Go Project File |
| .p2i | Disk Image | Power2Go Disc Image |
| .p2m | Settings | PhotoWorks Appearance File |
| .p2m | Game | Gameshark PlayStation 2 Cheats file |
| .p2p | Misc | FolderShare Placeholder File |
| .p2s | Game | PCSX2 Saved State |
| .p2z | 3D Image | Compressed Poser Pose File |
| .p3 | Data | Primavera P3 Project File |
| .p3d | 3D Image | Peak3D 3D Graphics File |
| .p3l | 3D Image | Adobe Photoshop Light Preset File |
| .p3m | 3D Image | Adobe Photoshop Material Preset File |
| .p3r | 3D Image | Adobe Photoshop Render Settings Preset File |
| .p3t | Game | PlayStation 3 Theme File |
| .p6 | Developer | Perl 6 Source Code File |
| .p65 | Page Layout | PageMaker 6.5 Document |
| .p7 | Web | PKCS #7 Digital Certificate File |
| .p7b | Web | PKCS #7 Certificate File |
| .p7c | Web | PKCS #7 Certificate File |
| .p7m | Misc | Digitally Encrypted Message |
| .p7r | Misc | Certificate Request Response File |
| .p7s | Text | Digitally Signed Email Message |
| .p96 | Database | Win96 Database File |
| .p97 | Database | Win97 Database File |
| .pa | Page Layout | Print Artist Project |
| .pab | Data | Personal Address Book |
| .pac | Raster Image | STAD Graphic File |
| .pac | Audio | SBStudio II Song File |
| .pac | Web | Proxy Auto-Config File |
| .pack | Encoded | Pack200 Packed Jar File |
| .pack.gz | Compressed | Pack200 Compressed Archive |
| .package | Compressed | Linux Autopackage File |
| .package | Game | Electronic Arts Game Package File |
| .pad | Misc | ACT! Database Pointer File |
| .pae | Compressed | PowerArchiver Encrypted Archive |
| .paf | Data | Personal Ancestral File |
| .paf | Executable | Portable Application Installer File |
| .paf.exe | Executable | PortableApps.com Program File |
| .page | Web | HybridJava Web Page |
| .pages | Text | Pages Document |
| .pak | Game | Video Game Package |
| .pak | Game | Simutrans Object File |
| .pak | Compressed | PAK (Packed) File |
| .pakm | Misc | PAKM Package File |
| .pal | Settings | Painter Custom Palettes File |
| .pal | Raster Image | Dr. Halo Color Palette File |
| .pan | Database | Panorama Database File |
| .pando | Misc | Pando File |
| .panic | System | Kernel Panic File |
| .pap | Misc | Corel Painter Paper Texture |
| .pap | Raster Image | PanoramaStudio Project File |
| .papers | Settings | Corel Painter Paper Texture File |
| .paq | Backup | Hewlett-Packard Software Restore File |
| .paq6 | Compressed | PAQ6 Data Archive |
| .paq7 | Compressed | PAQ7 Data Archive |
| .paq8 | Compressed | PAQ8 Data Archive |
| .paq8f | Compressed | PAQ8F Compressed Archive |
| .par | Compressed | Parchive Index File |
| .par | 3D Image | Solid Edge Part File |
| .par | Video | Dedicated Micros DVR Recording |
| .par2 | Compressed | Parchive 2 Index File |
| .part | Misc | Partially Downloaded File |
| .partial | Misc | Internet Explorer Partially Downloaded File |
| .partimg | Disk Image | Partimage File |
| .pas | Developer | Pascal Source File |
| .pat | Raster Image | Pattern File |
| .pat | 3D Image | 3D Patch File |
| .pat | Audio | Gravis UltraSound GF1 Patch File |
| .pat | System | DiskStation Manager Installation File |
| .pax | Compressed | PAX Archive |
| .pb | Developer | PureBasic Source File |
| .pba | Plugin | OpenOffice.org Basic Protected Module File |
| .pbb | Backup | AT&T Phonebook File |
| .pbd | Data | ProBID+ Data File |
| .pbf | Audio | Pinnacle Sample Bank |
| .pbf | Backup | Paragon Backup File |
| .pbg | Developer | Pixel Bender Graph File |
| .pbi | Compressed | PC BSD Installer Package |
| .pbj | Developer | Pixel Bender Bytecode File |
| .pbk | Data | Dial-Up Phone Book File |
| .pbk | Developer | Pixel Bender Kernel File |
| .pbm | Raster Image | Portable Bitmap Image |
| .pbn | Game | Portable Bridge Notation File |
| .pbp | Game | PSP Firmware Update File |
| .pbproj | Developer | Project Builder Project |
| .pbxbtree | Developer | Xcode Auto-Complete File |
| .pbxproj | Developer | Xcode Project Data File |
| .pbxuser | Developer | Xcode Project User Data File |
| .pc | Data | Personal Composer File |
| .pc1 | Raster Image | Degas Elite Low Res Image File |
| .pc2 | Raster Image | Degas Elite Medium Res Image File |
| .pc3 | Raster Image | Degas Elite High Res Image File |
| .pc3 | Settings | AutoCAD Plotter Configuration File |
| .pc6 | CAD | PowerCADD 6 Drawing File |
| .pc7 | CAD | PowerCADD 7 Drawing File |
| .pca | Audio | Perfect Clarity Audio File |
| .pcap | Data | Packet Capture Data |
| .pcast | Audio | iTunes Podcast File |
| .pcb | Data | Printed Circuit Board Design File |
| .pcc | Game | Mass Effect 2 Package |
| .pcd | Raster Image | Kodak Photo CD Image File |
| .pcd | Game | Pokémon Wonder Card File |
| .pcf | Font | PaintCAD Font |
| .pcg | Audio | Korg Instrument Bank File |
| .pch | Developer | Precompiled Header File |
| .pck | Game | Perfect World Data File |
| .pck | System | System Center Configuration Manager Package File |
| .pcl | Page Layout | Printer Command Language Document |
| .pcm | Audio | Pulse Code Modulation |
| .pcp | Developer | Windows Installer Patch Creation Properties File |
| .pcr | Data | PCMark Vantage Benchmark File |
| .pcsxstate | Game | PCSX Saved State File |
| .pct | Page Layout | Picture File |
| .pctl | Settings | Kaspersky Parental Control Settings File |
| .pcv | Compressed | MozBackup Profile Backup |
| .pcx | Raster Image | Paintbrush Bitmap Image File |
| .pd | Audio | Spore Audio Playback File |
| .pd | Vector Image | FlexiSIGN 5 Plotter Document |
| .pd4 | Data | Windows Live Photo Gallery Information File |
| .pd5 | Data | Windows Live Photo Gallery Information File |
| .pdas | Data | PDAStore Data Store File |
| .pdb | Backup | PowerDesigner Database Backup File |
| .pdb | Data | Protein Data Bank File |
| .pdb | Database | Program Database |
| .pdb | Database | Palm Desktop Database File |
| .pdc | Encoded | Lizard Safeguard Secure PDF File |
| .pdd | Data | Medtronic Programmer Data File |
| .pdd | Raster Image | Adobe PhotoDeluxe Image |
| .pde | Developer | Arduino Sketch |
| .pde | Developer | Processing Development Environment Source Code File |
| .pdf | Page Layout | Portable Document Format File |
| .pdfig | Data | PDF Index Generator Project File |
| .pdfs | Settings | Adobe PDF Presets File |
| .pdg | Page Layout | Print Shop Deluxe Design File |
| .pdi | Disk Image | InstantCopy Disc Image |
| .pdl | Developer | Perl Data Language File |
| .pdm | Developer | VB Project Information File |
| .pdm | Database | PowerDesigner Database File |
| .pdn | Raster Image | Paint.NET Image File |
| .pdo | Data | Pepakura Designer File |
| .pdp | Page Layout | Adobe Portable Document Format File |
| .pdr | System | Windows Port Driver |
| .pds | Video | PowerDirector Script File |
| .pds | Data | Planetary Data System File |
| .pdw | Page Layout | ProntoDoc to Word Conventional Document Template |
| .pdx | Data | Product Data eXchange File |
| .pdx | Data | Adobe Acrobat Index File |
| .pe4 | Raster Image | PhotoImpact Image Archive |
| .pe4 | Raster Image | Photo Explorer Thumbnail Archive |
| .pea | Compressed | PEA File Archive |
| .peak | Audio | Steinberg Peak File |
| .peb | Data | ProEST+ Buildings File |
| .pec | Data | Brother Embroidery File |
| .pef | Raster Image | Pentax Electronic File |
| .pef | Misc | PEF Braille Book File |
| .peg | Game | Peggle Replay File |
| .pegn | Game | Peggle Nights Replay File |
| .pek | Audio | Adobe Peak Waveform File |
| .pem | Web | Privacy Enhanced Mail Certificate |
| .pen | Settings | Paint Shop Pro Pen Preset File |
| .pep | Data | TurboProject Project File |
| .per | Game | Age of Empires Personality File |
| .perfmoncfg | Settings | Performance Monitor Configuration File |
| .pes | Data | PhysicsEditor Sheet File |
| .pes | Misc | Brother Embroidery Format |
| .pet | Compressed | Puppy Linux Install Package |
| .pex | Executable | ProBoard Executable File |
| .pex | Data | Merak Peep Data File |
| .pex | Page Layout | West Publisher Portable Exhibit File |
| .pf | Compressed | Private File |
| .pf | Data | Windows Prefetcher File |
| .pfa | Font | Printer Font ASCII File |
| .pfb | Font | Printer Font Binary File |
| .pfc | Data | AOL Personal File Cabinet |
| .pfd | Vector Image | Micrografx Optima! File |
| .pff | Page Layout | Formatta Portable Form File |
| .pfg | Developer | jEEPers Program Configuration File |
| .pfl | Data | Family Lawyer Document |
| .pfl | Page Layout | PDFill Project File |
| .pfl | Plugin | PhotoFiltre Plugin |
| .pfm | Font | Printer Font Metrics File |
| .pfr | Font | Portable Font Resource File |
| .pfr | Raster Image | Paint Shop Pro Picture Frame File |
| .pfx | System | PKCS #12 Certificate File |
| .pfx | Text | First Choice Word Processing Document |
| .pgd | Disk Image | PGP Disk Image |
| .pgf | Raster Image | Progressive Graphics File |
| .pgf | Game | Pokémon Mystery Gift for Black & White File |
| .pgi | Video | Video Recording File |
| .pgm | Raster Image | Portable Gray Map Image |
| .pgn | Game | Portable Game Notation File |
| .pgp | Misc | PGP Security Key |
| .pgp | Settings | AutoCAD Program Parameters File |
| .pgpf | Data | Password Generator Password File |
| .pgt | Game | Pokémon Gift File |
| .ph | Developer | Perl Header File |
| .ph | Settings | AOL Phone Home Settings File |
| .phar | Executable | PHP Archive |
| .phb | Data | Motorola Phone Book File |
| .phb | Settings | PhtotoBase Album File |
| .phd | Data | Portable Heap Dump File |
| .phl | Misc | Kindle Popular Highlights File |
| .phm | Data | Pro Home Manager Data File |
| .phn | Game | Algodoo Phun Phunlet |
| .pho | CAD | Gerber Photoplot File |
| .pho | Audio | MBROLA Phonetic Data File |
| .photoshow | Video | Roxio PhotoShow Project |
| .php | Web | Hypertext Preprocessor File |
| .php3 | Web | PHP 3 Web Page |
| .php4 | Web | PHP 4 Web Page |
| .php5 | Web | PHP 5 Web Page |
| .phtm | Web | PHP-Based Web Page |
| .phtml | Web | PHP Web Page |
| .phy | Audio | PhyMod Physical Modeling Data |
| .phy | 3D Image | 3ds Max Physique File |
| .phya | Game | Aleph One Physics File |
| .phz | Game | Algodoo Phun Compressed Phunlet |
| .pi | Data | Pi Calculation Data File |
| .pi1 | Raster Image | Degas Low Resolution Image File |
| .pi2 | Raster Image | Portrait Innovations Photo |
| .pi2 | Raster Image | Degas Medium Resolution Image File |
| .pi3 | Raster Image | Degas High Resolution Image File |
| .pi4 | Raster Image | DEGAS Image |
| .pi5 | Raster Image | DEGAS Bitmap Image |
| .pi6 | Raster Image | DEGAS Bitmap Image File |
| .pic | Raster Image | QuickTime PICT Image |
| .pic | Raster Image | Generic Picture File |
| .pic | Raster Image | Houdini Raster Image |
| .picnc | Raster Image | Houdini 3D Compositing Image |
| .pict | Raster Image | Picture File |
| .pictclipping | Raster Image | Picture Clipping File |
| .pid | Misc | Process ID File |
| .pid | System | Creative Driver File |
| .pie | Settings | GlovePIE Controller Script |
| .pif | Executable | Program Information File |
| .pig | Game | Descent Texture File |
| .pig | Game | Pirates of the Burning Sea Data File |
| .pim | Compressed | PIM Archive |
| .pin | GIS | MNS Projection Information File |
| .pip | Settings | Office Personalized Settings File |
| .pis | Data | PS2DIS Project File |
| .pit | Compressed | PackIt Compressed Archive |
| .piv | Video | Pivot Stickfigure Animation |
| .pix | Raster Image | BRL-CAD Raw Image File |
| .pix | Raster Image | Alias PIX Image |
| .pix | GIS | PCI Geomatics Database File |
| .piz | Compressed | Zipped File |
| .pj | Game | Project64 Saved State File |
| .pjpeg | Raster Image | Progressive JPEG Image |
| .pjpg | Raster Image | Progressive JPEG Image |
| .pjt | Data | Didger Project File |
| .pjt | Text | FoxPro Project Memo |
| .pjx | Data | FoxPro Project |
| .pk | Font | Packed METAFONT File |
| .pk | Audio | Audition Peak File |
| .pk2 | System | Silkroad Online Game Data File |
| .pk3 | Game | ZDoom Package |
| .pk3 | Game | Quake 3 Engine Game Data File |
| .pk4 | Game | Doom 3 Engine Game Data File |
| .pka | Data | Packet Tracer Activity File |
| .pkb | Data | Oracle Package Body File |
| .pkf | Audio | Audition Peak File |
| .pkg | Game | PlayStation Store Downloaded Package |
| .pkg | 3D Image | CoCreate OneSpace Modeling Package File |
| .pkg | Settings | Symbian Package File |
| .pkg | Compressed | Mac OS X Installer Package |
| .pkg | 3D Image | Midtown Madness Model File |
| .pkh | Data | Oracle Package File |
| .pkm | Game | Pokémon Saved Game Data File |
| .pks | Data | Oracle Package Spec File |
| .pkt | Data | Packet Tracer Network Simulation Model |
| .pl | Developer | Prolog Source Code File |
| .pl | Developer | Perl Script |
| .pl | Vector Image | Unix Color Plot File |
| .pl0 | 3D Image | 3D Home Architect Foundation Floor Plan |
| .pl1 | Game | Adventure Maker Plug-in |
| .pl1 | Developer | PL/I Source Code |
| .pl1 | 3D Image | 3D Home Architect Floor Plan |
| .pl2 | 3D Image | 3D Home Architect Second Level Floor Plan |
| .pla | CAD | ArchiCAD Project Archive |
| .pla | Audio | Sansa Playlist File |
| .pla | Misc | iriver iQuickList File |
| .playlist | Video | CyberLink PowerDVD Playlist |
| .playmission | Game | MissionPlayer Game File |
| .playset | Misc | Souptoys Playset File |
| .plc | Developer | PL/B Source File |
| .ple | Developer | Messenger Plus! Live Encrypted Log File |
| .plf | Game | Mr. Bean Game Data File |
| .plf | Misc | Papyrus License File |
| .plg | Plugin | Sibelius Plug-in |
| .plg | Developer | Visual Studio Build Log File |
| .pli | Developer | PL/I Source Code File |
| .plist | Settings | Mac OS X Property List File |
| .pln | Plugin | Adobe InDesign Plug-in |
| .pln | Game | Flight Simulator Flight Plan |
| .pln | CAD | ArchiCAD Project File |
| .pln | Data | Spaceman Planogram File |
| .plr | Game | Terraria Player File |
| .plr | Game | rFactor Player File |
| .pls | Settings | PicoLog Settings File |
| .pls | Audio | Audio Playlist |
| .pls | Data | MYOB Accounting Data File |
| .plsc | Executable | Messenger Plus! Live Script File |
| .plsk | Misc | Messenger Plus! Live Skin Pack |
| .plt | Vector Image | AutoCAD Plotter Document |
| .plt | Vector Image | HPGL Plot File |
| .plt | Data | Tecplot Binary Data File |
| .plugin | Plugin | Mac OS X Plug-in |
| .plugin | Plugin | Adobe Photoshop Plug-in |
| .plw | Data | PicoLog Data File |
| .plx | Executable | Perl Executable File |
| .ply | 3D Image | Polygon Model File |
| .pm | Raster Image | Unix XV Graphic File |
| .pm | Developer | Perl Module |
| .pm3 | CAD | Crouzet Logic Software M3 File |
| .pm3 | Raster Image | PageMaker 3 Document |
| .pm4 | Page Layout | PageMaker 4 Document |
| .pm5 | Page Layout | PageMaker 5.0 Document |
| .pm6 | Page Layout | PageMaker 6.0 Document |
| .pmc | Settings | Performance Monitor Counter File |
| .pmd | 3D Image | MikuMikuDance Model File |
| .pmd | Page Layout | PageMaker Document |
| .pmf | GIS | ESRI Published Map File |
| .pmf | Video | PSP Movie File |
| .pmg | Vector Image | PageMaker Group File |
| .pmg | Raster Image | Adobe Photoshop Photomerge Panoramic Composition File |
| .pmj | Settings | Pegasus Mail Configuration File |
| .pml | Settings | Pyre Properties File |
| .pml | Data | Process Monitor Log File |
| .pmm | Data | MikuMikuDance PolygonMovieMaker File |
| .pmm | Data | Pegasus Mail Mailbox File |
| .pmo | Data | Broderbund Print Meta Object File |
| .pmo | Text | Pegasus Saved Message File |
| .pmp | Settings | AutoCAD Plot Model Parameter File |
| .pmr | Data | Avid Persisent Media Record File |
| .pmr | Data | Performance Monitor Report |
| .pmv | Video | Return to Zork Video File |
| .pna | Audio | PhatNoise Audio File |
| .pnach | Game | PCSX2 Patch File |
| .pnf | System | Precompiled INF File |
| .png | Raster Image | Portable Network Graphic |
| .pni | Raster Image | Popnoggin Image File |
| .pnm | Raster Image | Portable Any Map Image |
| .pnproj | Data | Programmer's Notepad Project File |
| .pnpt | Data | Programmer's Notepad Project Template |
| .pns | Video | Pelco CCTV Video File |
| .pns | Data | Popnoggin Subject File |
| .pns | Raster Image | PNG Stereo Image |
| .pnt | Data | Popnoggin Theme File |
| .pnt | Raster Image | MacPaint File |
| .pnt | Developer | Panther Project |
| .pntg | Raster Image | MacPaint Graphic File |
| .pnz | Database | Panorama Database Set |
| .po | Developer | Portable Object |
| .pobj | Vector Image | Photo Pos Pro Vector Object File |
| .pod | Game | Terminal Reality Game Data File |
| .pod | Developer | Perl POD File |
| .pod | Data | OpenProj Project File |
| .pof | Game | Descent Robot Definition File |
| .pog | Game | Descent 2 Texture Modification |
| .poi | Data | Magellan Maestro Point of Interest File |
| .pol | System | Windows Policy File |
| .pom | Developer | Maven Build File |
| .pop | Raster Image | Samsung Popcon Character File |
| .por | Data | SPSS Portable File |
| .pos | Data | Trimble Position File |
| .postal | Data | TomTom Postal Code File |
| .pot | Data | PowerPoint Template |
| .pot | Developer | Portable Object File |
| .potm | Data | PowerPoint Open XML Macro-Enabled Presentation Template |
| .potx | Data | PowerPoint Open XML Presentation Template |
| .pov | Raster Image | POV-Ray Raytracing Format |
| .pov | Raster Image | Prolab Object File |
| .pp | Data | Pocket Physics Sketch File |
| .pp2 | 3D Image | Poser Prop File |
| .pp2 | Data | PingPlotter Data File |
| .pp4 | Raster Image | Picture Publisher Bitmap File |
| .pp5 | Raster Image | Picture Publisher 5 Image File |
| .ppa | Plugin | PowerPoint Add-in |
| .ppam | Plugin | PowerPoint 2007 Add-In |
| .ppc | Audio | Adobe Presenter Audio File |
| .ppc | Developer | Mobile Data Studio Project File |
| .ppcx | Audio | Adobe Presenter Presentation Audio File |
| .ppd | System | PostScript Printer Description File |
| .ppf | Data | Transit NXT Pack Project File |
| .ppf | Data | Edgecam Pathtrace Part File |
| .ppf | Misc | Paint Shop Pro Soft Plastic Preset File |
| .ppf | Raster Image | Picture Publisher Image File |
| .ppf | Game | PlayStation Patch Format File |
| .ppf | Data | Publisher Project File |
| .ppj | Video | Premiere 6 Project File |
| .ppk | Misc | PuTTY Private Key File |
| .ppl | Developer | Free Pascal Dynamic Library |
| .ppm | System | Post Programmable Memory File |
| .ppm | Raster Image | Portable Pixmap Image File |
| .ppm_b | Misc | Nokia PPM Flash File |
| .ppp | Page Layout | Serif PagePlus Document |
| .ppp | Data | CyberLink PowerProducer Project |
| .ppr | Data | ORF Report File |
| .ppr | Data | Project Planner Reader File |
| .ppr | Data | Cognos PowerPlay Report File |
| .pps | Data | PowerPoint Slide Show |
| .ppsm | Data | PowerPoint Open XML Macro-Enabled Slide Show |
| .ppsx | Data | PowerPoint Open XML Slide Show |
| .ppt | Data | PowerPoint Presentation |
| .ppthtml | Web | PowerPoint HTML Presentation |
| .pptm | Data | PowerPoint Open XML Macro-Enabled Presentation |
| .pptmhtml | Web | Microsoft PowerPoint MIME HTML Presentation |
| .pptx | Data | PowerPoint Open XML Presentation |
| .ppu | Developer | Free Pascal Unit File |
| .ppx | Page Layout | Serif PagePlus Template File |
| .ppz | 3D Image | Compressed Poser Prop File |
| .pqhero | Game | Puzzle Quest Saved Game |
| .pqi | Disk Image | PowerQuest Drive Image |
| .pra | Settings | Windows Media 9 Plug-in Profile File |
| .prb | Data | xyAlgebra Probabilities File |
| .prc | Data | Mobipocket eBook File |
| .prc | Executable | Palm Resource Code File |
| .prc | Data | Corel Presentation |
| .prc | 3D Image | Product Representation Compact File |
| .pre | Data | Lotus Freelance Graphics File |
| .pref | Settings | Preferences File |
| .pref | Settings | Macintosh Preferences File |
| .prefab | 3D Image | Unity Prefab File |
| .prefpane | System | Mac OS X System Preference Pane |
| .prefs | Game | MMORPG Tycoon Preferences File |
| .prel | Video | Premiere Elements Project File |
| .prf | Settings | Outlook Profile File |
| .prf | Settings | FileNet eForms Form Preferences File |
| .prf | Settings | Director Preferences File |
| .prf | Web | PICS Rules File |
| .prf | System | Windows System File |
| .prf | Data | Plot Station Plot Request File |
| .prf | Settings | ClarisWorks Preference File |
| .prfpset | Settings | Premiere Pro Effect Preset File |
| .prg | Developer | Visual FoxPro Program File |
| .prg | CAD | PC-DMIS Part Program File |
| .prg | Audio | Akai MPC2000 Program File |
| .prg | Executable | Program File |
| .prg | Developer | RAPID Program File |
| .prg | Executable | GEM Application |
| .prg | Developer | xBase Program File |
| .prg | Game | Commodore Program File |
| .prg | Developer | RPG Toolkit Program File |
| .prg | Audio | WAVmaker Patch File |
| .pri | Developer | Windows Compiled Resources File |
| .pri | Developer | Qt Project Include File |
| .printerexport | System | Windows Printer Migration File |
| .prj | Data | AIMMS Project File |
| .prj | Data | Project File |
| .prk | Game | Thrillville Park File |
| .prm | GIS | Route 66 Map File |
| .prm | 3D Image | Re-Volt Model File |
| .prm | Settings | Parameter File |
| .prm | Plugin | Premiere Plug-in |
| .prn | Data | Lotus 1-2-3 Formatted Text File |
| .prn | Page Layout | Printable File |
| .pro | Developer | Qt Project File |
| .pro | Video | ProPresenter Export File |
| .pro4 | Data | ProPresenter 4 Document |
| .pro4pl | Data | ProPresenter Playlist File |
| .pro4plx | Data | ProPresenter Playlist Bundle |
| .pro4x | Data | ProPresenter 4 Bundle File |
| .profile | Game | Pandemic Studios Game Player Profile |
| .profile | System | Bash Shell Profile |
| .profile | Settings | Citrix Application Profile |
| .profimail | Settings | ProfiMail Settings File |
| .propdesc | Settings | Property Description |
| .properties | Settings | Java Properties File |
| .properties | Game | Minecraft Properties File |
| .props | Settings | Visual Studio Project Property File |
| .prp | Data | Rational Model Properties File |
| .prproj | Video | Premiere Pro Project |
| .prs | Misc | PlayStation Radio Player Location |
| .prs | Data | Calyx Point Prospect File |
| .prs | Settings | Batch & Print Pro Printer Settings File |
| .prs | Data | Harvard Graphics Presentation |
| .prst | Settings | Adobe InDesign Printer Presets File |
| .prt | CAD | Pro/ENGINEER Part File |
| .prt | CAD | Unigraphics Part File |
| .prt | Text | Crypt Edit Protected Text Format File |
| .prt | Text | Printer Output File |
| .prt | Data | Presentations Template |
| .prt | System | Printer Driver File |
| .prt | CAD | Solid Edge Part File |
| .prtl | Video | Premiere Pro Title File |
| .prv | Backup | Free Folder Hider Backup File |
| .prv | 3D Image | Vue Preview File |
| .prw | Raster Image | Artlantis Shader Preview File |
| .prx | Settings | Windows Media Profile File |
| .prx | Data | Primavera P3 Compressed Project File |
| .prx | Game | PSP Plugin File |
| .prz | Data | Freelance Graphics Presentation File |
| .ps | Vector Image | PostScript File |
| .ps1 | System | Microsoft Indexing Service Data File |
| .ps1 | Executable | Windows PowerShell Cmdlet File |
| .ps1xml | Settings | Windows PowerShell Display Configuration File |
| .ps2 | Game | Sharkport Saved Game |
| .ps2 | Game | PCSX2 Memory Card File |
| .ps2 | System | Microsoft Search Catalog Index File |
| .psa | Backup | Plesk Backup File |
| .psa | Data | Photoshop Album Catalog File |
| .psa | 3D Image | Unreal Engine Skeletal Animation File |
| .psar | Misc | PSP Update File |
| .psb | Raster Image | Photoshop Large Document Format |
| .psc1 | Settings | Windows PowerShell Console File |
| .psd | Raster Image | Adobe Photoshop Document |
| .psd1 | Developer | Windows PowerShell Data File |
| .psdl | Game | Midtown Madness 2 City File |
| .pse | Raster Image | Photoshop Elements Photo Project |
| .psess | Developer | Visual Studio Performance Session File |
| .pset | Plugin | Adobe InDesign Plug-in Set File |
| .psf | Raster Image | PhotoStudio File |
| .psf | Audio | Portable Sound File |
| .psf | Settings | Photoshop Proof Settings File |
| .psf | Data | PID Script File |
| .psf | Misc | HP-UX Product Specification File |
| .psf | Data | SPI Proxy Output File |
| .psf | Data | GPS Prediction Support File |
| .psf | CAD | AutoCAD PostScript Patterns File |
| .psg | Page Layout | Page Segment File |
| .psh | Video | Photodex Slide Show |
| .psi | Misc | PrimalScript Online Help Shortcut |
| .psid | Vector Image | PostScript Image Data File |
| .psk | 3D Image | Unreal Engine Skeletal Mesh File |
| .psm | Audio | Protracker Studio Module |
| .psm | Data | Prism Document |
| .psm | CAD | Solid Edge Sheet Metal File |
| .psm1 | Developer | Windows PowerShell Script Module File |
| .psp | Web | PL/SQL Server Page |
| .psp | Raster Image | Paint Shop Pro Image File |
| .pspbrush | Raster Image | Paint Shop Photo Pro Brush File |
| .pspd | Data | PhotoSuite 5 Project File |
| .pspimage | Raster Image | PaintShop Pro Image |
| .psr | Page Layout | Powersoft Report File |
| .pss | Misc | Picture and Sound Show File |
| .pss | CAD | AutoCAD Plot Stamp Settings File |
| .pss | Game | PlayStation 2 Game Video File |
| .pssd | Video | PhotoSuite Slide Show File |
| .pssg | Game | EGO Engine Textures File |
| .pst | Data | Outlook Personal Information Store File |
| .psu | CAD | PSU Designer Document |
| .psu | Game | EMS PS2 Memory Adapter Save File |
| .psv | Game | PlayStation 2 Save File |
| .psv | Data | Pipe Separated Values File |
| .psw | Misc | Windows Password Reset Disk File |
| .psw | Text | Pocket Word Document |
| .psx | Game | PlayStation Save File |
| .psy | Audio | Psycle Song File |
| .psy | Settings | The Psychedelic Screen Saver Settings File |
| .psys | Game | ZEQ2 Lite Particle Effects File |
| .pt | Misc | Panther Project File |
| .ptb | Data | Power Tab File |
| .ptf | Audio | Pro Tools 7 Session File |
| .ptf | Data | Scrapbook Flair Template |
| .ptf | Settings | PSP Theme File |
| .ptg | Raster Image | ArtRage Painting |
| .pth | Misc | 4D Path Document |
| .ptk | Data | Quicken Online Financial Data File |
| .ptk | Raster Image | Puntotek Embroidery Design File |
| .ptl | Developer | Rational Rose Petal File |
| .ptm | GIS | MapPoint Map File |
| .ptm | Audio | PolyTracker Module |
| .ptn | Data | PaperPort Thumbnail File |
| .ptr | Misc | Desktop Flash Intro Project File |
| .pts | Audio | Pro Tools Session |
| .ptt | GIS | MapPoint Map Template |
| .ptw | Web | AutoCAD Publish To Web File |
| .ptx | Raster Image | Pentax RAW Image File |
| .ptx | Raster Image | Paint Shop Pro Texture File |
| .ptx | Page Layout | E-Transcript File |
| .pty | Developer | Rational Property Set |
| .ptz | Data | E-Transcript Bundle File |
| .pub | Web | Public Key File |
| .pub | Page Layout | Publisher Document |
| .pup | Compressed | PlayStation 3 Update File |
| .pup | Compressed | Puppy Linux DotPup Installer Package |
| .purblepairssave-ms | Game | Purble Pairs Saved Game |
| .purbleshopsave-ms | Game | Purble Place Shop Saved Game |
| .puz | Game | Across Lite Crossword Puzzle |
| .puz | Compressed | Packed Publisher File |
| .pva | Video | PVA Video File |
| .pvc | Audio | Panasonic VM1 Voice File |
| .pvc | Backup | Parallels Desktop Copied Configuration File |
| .pvd | Executable | Instalit Script |
| .pvj | Text | ProofVision Job Ticket |
| .pvk | Misc | Private Key File |
| .pvl | Data | Instalit Library |
| .pvm | Misc | HP Photo Album |
| .pvm | Text | Photo Video Manifest File |
| .pvm | Disk Image | Parallels Virtual Machine |
| .pvpf | Game | Pet ville Save File |
| .pvr | Video | Wintal PVR Video File |
| .pvr | Raster Image | POWERVR Texture File |
| .pvs | Settings | Parallels Desktop Configuration File |
| .pwa | Compressed | Password Agent File |
| .pwc | Executable | PictureTaker File |
| .pwd | CAD | Solid Edge Weldment Document |
| .pwdp | Text | Password Pad Document |
| .pwdpl | Text | Password Pad Lite Document |
| .pwf | Game | Counter-Strike PODBot Waypoint File |
| .pwi | Text | Pocket Word Document |
| .pwl | System | Windows Password List |
| .pwn | Developer | Pawn Source Code File |
| .pwp | Raster Image | PhotoWorks Image File |
| .pwrep | Misc | Password Repository File |
| .pws | Settings | Painter Workspace File |
| .pws | Vector Image | Print Workshop Image |
| .pwt | Page Layout | Pocket Word Template |
| .pwt | CAD | AutoCAD Publish To Web Template |
| .px | Raster Image | Pixel Image File |
| .pxa | Data | XpressAccounts Data File |
| .pxb | Settings | Pixelmator Brush File |
| .pxc | Data | Photodex Cache File |
| .pxf | Data | Transit XV Pack Project File |
| .pxg | Settings | Pixelmator Gradient File |
| .pxi | Disk Image | PlexTools Disc Image |
| .pxj | Data | RecordNow Project |
| .pxl | Data | Pocket Excel File |
| .pxm | Raster Image | Pixelmator Image File |
| .pxp | Game | Counter-Strike PODBot Experience File |
| .pxr | Raster Image | Pixar Image File |
| .pxv | Video | Pixbend Media File |
| .py | Developer | Python Script |
| .pyc | Executable | Python Compiled File |
| .pyd | Developer | Python Dynamic Module |
| .pym | Developer | PYM Macro Preprocessor File |
| .pyo | Executable | Python Optimized Code |
| .pyw | Developer | Python GUI Source File |
| .pz2 | 3D Image | Poser Pose File |
| .pz3 | 3D Image | Poser Scene File |
| .pzl | Game | Tibo Jigs@w Puzzle File |
| .pzp | Game | Tibo Jigs@w Compressed Puzzle File |
| .pzp | Raster Image | PhotoSuite Project File |
| .pzz | 3D Image | Compressed Poser Scene File |
