| p | ReaGeniX Code Generator Application Parameter |
| p1 | HI-TECH C Compiler Precompiled |
| p4a | Python for Android Script |
| p5 | Perl v5 Script |
| p6 | Perl v6 Script |
| pa3 | Turbo Pascal for DOS Source Code |
| pa4 | Turbo Pascal for DOS Compressed Batch Data |
| Turbo Pascal for DOS Source Code |
| pa5 | Turbo Pascal for DOS Compressed Batch Data |
| Turbo Pascal for DOS Source Code |
| pack | µVision Software Package |
| package | Visual Studio SharePoint Package |
| pad | Xilinx ISE Pads Data |
| paf2 | Code Composer Studio Dependency Scan Data |
| pag | Visual Basic Property Page File |
| page | HybridJava Web Page |
| par | FactoryTalk View Studio Parameter Component File |
| Xilinx ISE PAR Report Data |
| pas | FreePascal Source Code |
| Pascal/Delphi Source Code |
| SIMATIC WinCC Script |
| pasm | Parrot Assembly Source |
| pawn | Pawn Source Code |
| pb | PowerBASIC Configuration Data |
| PureBasic Source Code |
| TensorFlow Model |
| pb1 | OrindaBuild Configuration |
| pb2 | OrindaBuild Configuration |
| pb3 | OrindaBuild Configuration |
| pba | PowerBASIC Source Code |
| pbas | PropBasic Source Code |
| pbc | Parrot Compiled Bytecode |
| pbd | Epicentric Portal Server Module Java Bean |
| IAR Embedded Workbench Source Browse Information Data |
| Sybase PowerBuilder Runtime Library |
| pbe | Proton Basic Compiler Errors File |
| pbg | Adobe Pixel Bender Graph |
| pbh | PowerBASIC DOS Help File |
| pbi | IAR Embedded Workbench Source Browse Information Data |
| Microsoft Profiler Binary Input |
| PowerBASIC Include |
| pbj | Adobe Pixel Bender Bytecode |
| pbk | Adobe Pixel Bender Kernel |
| pbl | PowerBASIC DOS Static Library |
| Sybase PowerBuilder Source Code Library |
| pblib | PowerBASIC Library |
| pbo | Microsoft Profiler Binary Output |
| pbp | Perl Builder Data |
| Proton Basic Compiler Library |
| pbr | PowerBASIC Resource Data |
| 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 |
| Valve Source Particle System Data |
| 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 |
| Pure Data Patch Data |
| pdb | PowerBASIC Debugger Data |
| Sybase PowerBuilder Dynamic Link Library |
| Visual Studio Program Database |
| pdd | Database Designer for PostgreSQL Database Diagram |
| pde | Arduino Old Sketch File |
| pdl | Borland C++ Project Description Language Data |
| Perl Data Language File |
| Policy Description Language File |
