| pag | Visual Basic Property Page File |
| page | HybridJava Web Page |
| par | FactoryTalk View Studio Parameter Component File |
| par | Xilinx ISE PAR Report Data |
| pas | Pascal/Delphi Source Code |
| pas | SIMATIC WinCC Script |
| pasm | Parrot Assembly Source |
| pawn | Pawn Source Code |
| pb | PowerBASIC Configuration Data |
| pb | PureBasic Source Code |
| pb | TensorFlow Model |
| pb1 | OrindaBuild Configuration |
| pba | PowerBASIC Source Code |
| pbas | PropBasic Source Code |
| pbc | Parrot Compiled Bytecode |
| pbd | Epicentric Portal Server Module Java Bean |
| pbd | IAR Embedded Workbench Source Browse Information Data |
| pbd | Sybase PowerBuilder Runtime Library |
| pbe | Proton Basic Compiler Errors File |
| pbg | Adobe Pixel Bender Graph |
| pbh | PowerBASIC DOS Help File |
| pbi | Microsoft Profiler Binary Input |
| pbi | PowerBASIC Include |
| pbj | Adobe Pixel Bender Bytecode |
| pbk | Adobe Pixel Bender Kernel |
| pbl | PowerBASIC DOS Static Library |
| pbl | Sybase PowerBuilder Source Code Library |
| pblib | PowerBASIC Library |
| pbo | Microsoft Profiler Binary Output |
| pbp | Perl Builder Data |
| pbp | Proton Basic Compiler Library |
| pbr | PowerBASIC Resource Data |
| pbr | Sybase PowerBuilder Resource Library |
| pbt | Microsoft Profiler Binary Table |
| pbtpl | PowerBASIC Template |
| pbtx | SAP PowerBuilder Target FIle |
| pbtxt | TensorFlow Graph Text |
| pbu | PowerBASIC DOS Compiled Unit |
| pbx | Sybase PowerBuilder Extension |
| pbxbtree | Xcode Auto-Complete Database |
| pbxuser | Xcode Project User Data |
| pc | OrbWorks PocketC Source Code |
| pcf | RISCWatch Processor Configuration File |
| pcf | Valve Source Particle System Data |
| pcf | Xilinx ISE Physical Constraints Data |
| pch | Visual Studio Precompiled Header |
| pch++ | CodeWarrior Precompiled Header |
| pckgdep | Visual Studio Package Dependency Data |
| pcp | Patch Creation Properties File |
| pcs | KDevelop Persistent Code Store |
| pcu | XProfan Compiled Unit |
| pcxm | Microsoft SQL Server Encrypted Forms Backup |
| pd | Perl Data Language PreProcessor Data |
| pdb | PowerBASIC Debugger Data |
| pdb | Sybase PowerBuilder Dynamic Link Library |
| pdb | Visual Studio Program Database |
| pdd | Database Designer for PostgreSQL Database Diagram |
| pde | Arduino Old Sketch File |
| pdl | Borland C++ Project Description Language Data |
| pdl | Perl Data Language File |
| pdl | Policy Description Language File |
| pdm | Visual Basic PDW Script |
| pds | PALASM Source Code |
| pds | PLDasm Source |
| pdsc | CMSIS Pack Description File |
| pdsc | µVision Package Description |
| pdt | VersaPro PLC Compiled Block |
| pdv | ParaView VTK Graphic Data |
| pdz | SIMATIC WinCC Flexible Runtime Document |
| per | ASN-1Step Packed Encoding Rules Data |
| per | PEX Report |
| perf | Linux Perf Data |
| perlapp | Perl Dev Kit PerlApp Data |
| pf | OpenEdge ABL Database Parameters Data |
| pfg | jEEPers DX Program Configuration |
| pftrace | Android mm_event Trace |
| pfx | PFXplus Source Code |
| pgc | PostgreSQL ECPG C Source File |
| pgf | Grammatical Framework Compiled Grammar |
| pgh | PostgreSQL ECPG C Header File |
| pgx | Visual Basic Binary Property Page File |
| ph | Perl Header |
| phar | PHP Archive |
| phd | Portable Heap Dump |
| php | PHP Script |
| php6 | Microsoft Expression Web PHP6 Script Data |
| phpt | PHP Test Suite Script |
| phy | Valve Source Collision Model Data |
| physao | Aleph One Physics Model Data |
| physx | Nvidia Physx Data |
| pi4 | Robolab Pilot 4 Program |
| pi5 | GEMPIE Print File |
| pickle | Python Pickle |
| pidx | CMSIS Pack Package Index |
| pih | Karrigell Python Inside HTML File |
| pin | Xilinx ISE Signal-to-pin Mapping Data |
| pir | Parrot Intermediate Representation File |
| pixexp | Microsoft PIX Experiment Document |
| pixrun | Microsoft PIX Run Data |
| pjm | Visual FoxPro Project Metafile |
| pjs | PhantomJS JavaScript |
| pjt | Visual FoxPro Project Memo |
| pkb | Oracle Package Body |
| pkd | Turbo Pascal for DOS Compressed Batch Data |
| pkgdef | Visual Studio Package Definition |
| pkgundef | Visual Studio Package Source Control Data |
| pkh | Oracle Package Header |
| pkl | Python Pickle Data |
| pko | Packo Package |
| pkproj | Visual CCScript Project |
| pks | Oracle Package Specification |
| pl | Perl Script |
| pl | SWI-Prolog Source Code |
| pl1 | PL/I Source Code |
| pl6 | Perl v6 Script |
| pl7 | PL7-07 Application |
| plac | Plac Script |
| playground | Xcode Playground File |
| plb | Oracle PL/SQL Binary |
| plb | Visual FoxPro Library |
| plc | PL/B Source Code |
| pld | Oracle PLD Library |
| plex | Visual Perl File |
| plg | µVision Protocol Data |
| pli | PL/I Source Code |
| pll | CA-Clipper Prelinked Library |
| pll | Oracle PLL Library |
| plm | PL/M Source Code |
| plog | PLog Language Source Code |
| plog | PVS-Studio XML Analyzer Report |
| pls | PL/SQL Stored Procedure |
| plsql | Oracle PL/SQL Source Code |
| pltsuite | Safari Page Load Test Suite |
| plx | Oracle PLX Library |
| pm | Perl Module |
| pm5 | Perl 5 Module |
| pm6 | Perl 6 Module |
| pmq | Microsoft Target Analyzer File |
| pn | Pinecone Source Code |
| pnl | Uniface Panel Data |
| pnw | PNW Source Code |
| pnx | Xilinx ISE CPLDFit Model Data |
| po | GNU Gettext Portable Object |
| pod | Parrot Optimizer Data |
| pod | Perl POD Document |
| podspec | CocoaPods Library Specification Data |
| poh | Geoworks Optimized GOH File |
| policy | Java Policy Implementation Data |
| pom | Apache Maven Build |
| porth | Porth Source Code |
| pos | WinHex Position Data |
| postbuild | Xenocode Postbuild Data |
| pot | GNU Gettext Portable Object Template |
| pou | PLCEdit Program Organization Unit |
| pp | FreePascal Source Code |
| pp1 | FreePascal GO321v1 Compiled Unit |
| ppl | FreePascal Shared Library |
| ppo | Clipper Pre-processed Output File |
| ppo | Free Pascal Compiled Unit |
| ppu | FreePascal Compiled Unit |
| pql | VisualPQL Source Code |
| pr2 | dBASE IV Printer Driver |
| pr3 | PFXplus Resource Data |
| prc | Uniface Global Proc Data |
| prc | Visual Studio .NET DB Project Stored Procedure |
| prd | RISCWatch Processor Resource Definition |
| pref | Adobe Device Central Preferences Data |
| prefab | Unity Prefab |
| prf | BasicX Preferences File |
| prg | CA-Clipper Program Source Code |
| prg | Visual FoxPro Program |
| prg | xBase++ Program |
| pri | Microsoft Windows Compiled Resource Data |
| pri | Package Resource Index Data |
| pri | Qt Creator Project Include |
| prm | Prolog Module Source Code |
| prm | Xilinx ISE PROMGen Memory Map Data |
| prn | DataFlex Graphic Device Driver |
| pro | Prolog Source Code |
| pro | Qt Creator Project |
| profile | Godot Engine Feature Profile Data |
| projdata | Visual C# Project Data |
| project | Eclipse IDE Project Settings Data |
| projectproperties | Alpha Five Web Project Properties Data |
| prop | Android Build Properties Data |
| properties | Java Properties File |
| props | Visual Studio Property Sheet |
| proto | Protocol Buffers Data |
| proto | PureScript Protobuf Source Code |
| provxml | Microsoft Windows Provisioning XML Data |
| prq | InstallShield Prerequisites |
| prs | dBASE Procedure Data |
| prx | Visual FoxPro Compiled Program |
| ps1 | Windows PowerShell Script |
| ps1x | Windows PowerShell ASP Script |
| ps1xml | Windows PowerShell Types File |
| psc | PSCAD Power System Simulation Software Case |
| psc1 | Windows PowerShell Console Script |
| pscmd | PrimalScript Script |
| pscx | PSCAD XML Case Data |
| psd1 | Windows PowerShell Data |
| psess | Visual Studio Performance Session |
| psf | Eclipse IDE Project Set |
| psgi | Perl Web Server Gateway Interface Script |
| pshader | Visual Studio Shader Program Data |
| psi | PrimalScript Online Help Shortcut |
| psl | BMC Patrol Script Language Script |
| psl | PowerTerm Power Script |
| psl | Property Specification Language Source Code |
| psl | PSCAD Power System Simulation Library |
| pslx | PSCAD XML Library |
| psm | Turbo Pascal Symbol Table |
| psm1 | Windows PowerShell Script Module |
| psmdcp | NuGet Metadata |
| pso | Microsoft DirectX D3D Compiled Pixel Shader |
| psp | PL/SQL Server Page |
| psql | PostgreSQL Script |
| psrc | Parasoft Insure++ Configuration |
| pssg | EGO Engine Texture |
| pt | Plone Page Template |
| pt | pop!site HTML Page Template |
| ptb | PubTech BatchWorks Script |
| ptc | PFXplus Compiled Program |
| pth | Python Path Configuration |
| ptl | IBM Rational Rose Petal File |
| ptl | Quixote Python Template Language Data |
| ptm | Portable Translation Memories |
| pts | Docklight Script |
| ptx | CUDA Parallel Thread Execution Assembly Data |
| publishproj | Visual Studio Website Publishing Project |
| pubxml | Visual Studio Publish Profile XML Data |
| pug | Pug Markup Language Document |
| puml | PlantUML Diagram |
| purs | PureScript Source Code |
| pvd | ParaView VTK Data Object |
| pvti | ParaView VTK Parallel Image Data |
| pvtk | ParaView VTK Dataset |
| pvtp | ParaView VTK Parallel Poly Data |
| pvtr | ParaView VTK Parallel Rectilinear Grid |
| pvts | ParaView VTK Parallel Structured Grid |
| pvtu | ParaView VTK Parallel Unstructured Grid |
| pwl1 | SIMATIC WinCC PWL1 Data |
| pwn | Pawn Source Code |
| pxd | Pyrex Definition File |
| pxi | Pyrex Include File |
| pxl | PiXCL Language Source Code |
| pxt | PEST Quiz Script |
| pxx | Keyman Developer Encrypted Customisation File |
| py | Python Script |
| pyb | Brython Script |