| .PAT | Autodesk, Inc. | Fichiers d’image vectorielle | AutoCAD Hatch Pattern File | Autodesk AutoCAD | Autodesk, Inc. |
| .PCS | Pfaff | Fichiers d’image vectorielle | Pfaff Embroidery File | PesView | Open Source |
| .PD | SAI | Fichiers d’image vectorielle | FlexiSIGN 5 Plotter Document | FlexiSIGN | SAI |
| .PDX | Adobe Systems Incorporated | Fichiers d’image vectorielle | Adobe Acrobat Index File | Adobe Acrobat DC | Adobe Systems Incorporated |
| .PEN | Corel | Fichiers d’image vectorielle | Paint Shop Pro Pen Preset File | PaintShop Pro | Corel |
| .PFD | iGrafx | Fichiers d’image vectorielle | Micrografx | iGrafx Process | iGrafx |
| .PGS | Grasshopper LLC | Fichiers d’image vectorielle | PageStream Document | PageStream | Grasshopper LLC |
| .PL | Larry Wall | Fichiers d’image vectorielle | Perl Source Code | Microsoft Notepad | Microsoft Corporation |
| .PLO | Hewlett-Packard | Fichiers d’image vectorielle | HP Graphics Language Plotter Document | XnView MP | XnSoft |
| .PLOT | Open Source | Fichiers d’image vectorielle | Vector Graphics | Unix | AT&T Labs |
| .PLT | Tecplot, Inc | Fichiers d’image vectorielle | Tecplot Binary Data File | Tecplot 360 | Tecplot, Inc |
| .PMG | Adobe Systems Incorporated | Fichiers d’image vectorielle | PageMaker Group File | Adobe InDesign | Adobe Systems Incorporated |
| .PS | Adobe Systems Incorporated | Fichiers d’image vectorielle | PostScript File Format | Adobe Illustrator CC | Adobe Systems Incorporated |
| .PSID | Adobe Systems Incorporated | Fichiers d’image vectorielle | PostScript Image Data File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .PWS | Corel | Fichiers d’image vectorielle | Painter Workspace File | Corel Painter | Corel |
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