| prf | Adobe Director Preferences Data |
| prf | ClarisWorks Preferences Data |
| prf | QuarkXPress Preferences Data |
| prf | Xilinx CORE Generator Preferences |
| prf2 | Nord Modular G2 Performance Data |
| prfpset | Adobe Premiere Pro Effect Preset |
| prfs | Luppp Preferences Data |
| product | Eclipse IDE Product Settings |
| profile | Bash Shell Profile |
| profiles | Amaya Profiles Configuration |
| profimail | ProfiMail Settings |
| propdesc | Windows Search Property Description |
| properties | HSQLDB Configuration |
| properties | Mozilla Firefox Properties Data |
| prov | Nokia Java S40 Phone Boot Settings Data |
| prpreset | Adobe Premiere Pro Preset Data |
| prst | Adobe InDesign Print Settings |
| prx | Windows Media Encoder Settings |
| psproj | PostSharp Project Configuration |
| pssc | Windows PowerShell Session Configuration |
| pst | Apple Logic Studio Plugin Settings Data |
| psy | The Psychedelic Screen Saver Settings Data |
| ptg | PowerTeacher Gradebook Configuration |
| ptp | Avid Pro Tools Preperences Data |
| ptron | Proxomitron Configuration Data |
| pui | Foobar2000 Panels UI Configuration |
| pvc | Parallels Desktop Copied Configuration |
| pvs | Parallels Desktop Configuration File |
| pvx | ParaView XML Configuration |
| pw5 | PlanetPress Workflow Configuration |
| pw6 | PlanetPress Workflow Configuration |
| pw7 | PlanetPress Workflow Configuration |
| pxc | MatrikonOPC Server Configuration |
| pxg | PixRef Pro Configuration Data |
| pzs | Pizazz Plus Palette Settings Data |
