| ps1x | Windows PowerShell ASP Script |
| ps1xml | Windows PowerShell Types File |
| ps2xml | Windows PowerShell Types File |
| psc | PSCAD Power System Simulation Software Case |
| psc1 | Windows PowerShell Console Script |
| psc2 | 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 |
| PowerTerm Power Script |
| Property Specification Language Source Code |
| 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 |
| pop!site HTML Page Template |
| ptb | PubTech BatchWorks Script |
| ptc | PFXplus Compiled Program |
| pth | Python Path Configuration |
| ptl | IBM Rational Rose Petal File |
| 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 |
| py2 | Python Script |
| py3 | Python Script |
| pyb | Brython Script |
| pye | SOURCEdefender Encrypted Script |
| pyf | F2PY Signature File |
| pym | Python Macro File |
| pyn | Pynguin Project |
| pynb | IPython Notebook Document |
| pyo | Python Optimized Code |
| pyon | Python Object Notation Data |
| pyp | AllPlan PythonParts Script |
| pyr | Python Repository |
| pyt | Python Declarations Data |
| python | Python Script |
| pyw | Python Script |
| pyx | Pyrex Source |
| q | QL-R-kemi Unformatted Source |
| q7m | SAS 7 Sequential Engine DMDB Data |
| qa7 | SAS 7 Sequential Engine Access Descriptor Data |
| qab | QABUTIL Data |
| qbe | dBASE IV Saved Query |
| qbo | dBase IV Compiled Query |
| qbs | QuickBasic Source Code |
