| pfsx | ELAN Document |
| pg | C64 Printfox/Pagefox Document |
| pgml | Precision Graphics Markup Language Document |
| pgs | PageStream Document |
| ph | NewsRoom Document |
| phc | Brother Home Embroidery File |
| phv | Husqvarna Viking 3D Embroidery Design |
| piskel | Piskel Sprite |
| pl0 | 3D Home Architect Foundation Floor Plan |
| pl1 | 3D Home Architect Floor Plan |
| pl2 | 3D Home Architect Second Level Floor Plan |
| pla | ArchiCAD Project Archive |
| plain | Plain Text Document |
| plan | Calligra Plan Document |
| planner | Gnome Planner Document |
| plantuml | PlantUML Document |
| pln | ArchiCAD 3D Model |
| plot | Gnuplot Script |
| plt | Autodesk AutoCAD Plot Drawing |
| pltx | Cadworx Live Design |
| plz | Lotus Freelance Presentation |
| pm4 | Adobe Pagemaker 4.0 Document |
| pm5 | Adobe Pagemaker 5.0 Document |
| pm5f | Adobe PageMaker for Mac 5 Document |
| pm6 | Adobe Pagemaker 6.0 Document |
| pmd | Adobe Pagemaker 7.0 Document |
| pmdx | PlanMaker Spreadsheet |
| pmg | Adobe Pagemaker Group |
| pmk | ArchiCAD PlotMaker Document |
| pmo | Pegasus Mail Saved Message |
| pmt | Adobe Pagemaker 7.0 Template |
| pmv | PlanMaker Spreadsheet Template |
| pmvx | PlanMaker 2018 Spreadsheet Template |
| pmw | Pegasus Mail Outgoing Draft Message |
| pmx | Pegasus Mail Outgoing Final Message |