| prv | Microsoft Publisher Page Wizard Data |
| SecretAgent Private Key |
| Vue Preview Data |
| Windows Previous Bootlog File |
| prvkr | PGP Private Keyring Data |
| prw | Artlantis Shader Preview |
| PSI-Plot Result Data |
| prwm | Packed Raw WebGL Model Data |
| prx | COREX Prosodic Annotation Data |
| Lucene Positions File |
| prz | NI Multisim Packed Component Data |
| ps | Cognos Powerhouse Subfile Data |
| ETCBC Phrase Structure Data |
| Source Insight Symbol Defintions Data |
| ps1 | ETCBC Phrase Structure Data |
| ps2 | ETCBC Word Parsing Data |
| Microsoft Windows Catalog Search Index Data |
| PCSX2 Memory Card Image |
| Sharkport Saved Game |
| ps3 | ETCBC Phrase Structure Data |
| ps4 | ETCBC Phrase Structure Data |
| ps7 | Corel Paint Shop Pro Data |
| psa | Adobe Photoshop Album Catalog |
| Blue Yonder Space Planning Data |
| Intactix Pro Data |
| MODELLER Residue Solvent Accessibilities Data |
| psafe3 | Password Safe Database |
| psar | Sony PSP Firmware Archive |
| psb | Corel Paint Shop Pro Sunburst Preset |
| psbf | Polyspace Results Data |
| psbrush | Corel Paint Shop Pro Brush |
| psc | MODTRAN PSC Spectral Output File |
| Scorelib PSC Data |
| SmartWare Plotter Description Data |
| pscp | Polyspace Code Prover Results Data |
| psd | Cognos Powerhouse Subfile Dictionary Data |
| psdata | PicoScope Waveform Data |
| psdt | DSC Tuner PDTS Data |
| pse10db | Adobe Photoshop Elements Database |
| pse12db | Adobe Photoshop Elements Database |
| pse7db | Adobe Photoshop Elements Database |
| pse8db | Adobe Photoshop Elements Database |
| pse9db | Adobe Photoshop Elements Database |
| psedb | Adobe Photoshop Elements Database |
| pset | Mozilla Firefox Safebrowsing v2 Prefix Set |
| psf | Autodesk AutoCAD Postscript Patterns Data |
| Bentley MicroStation Plot Specification Data |
| Insight II X-PLOR Molecular Structure Data |
| LISREL 8 System Data |
| Parallels Desktop Shared Folders Data |
| PowerArchiver Skin Data |
| SPI Proxy Output File |
| psfg | Nuance Speech Recognition Engine Grammar File |
| psg | AFP Page Segment Resource |
| psh | Punch! Home Design CAD Data |
| psi | Affymetrix Probe Set Information |
| psin | PS-GVB Chemical Modeller Input Data |
| psivec | SUPPA diffSplice Output Data |
| psj | PLUS-Slitting Binary Job |
| psjob | Microsoft Photosynth Job Data |
| psl | MasterCook Layout Data |
| MicroSim PCBoard Padstack Library |
| pslic | PureSync License Data |
| psm5 | PrintShop Mail 5 Data |
| psml | PSML Page Definition |
| psmodel | Delcam PowerSHAPE Model |
| psn | OptionVue Portfolio Manager Positions Data |
| pso | DreamPlan Home Design Software Data |
| psod | Roxio Easy Media Creator Album Data |
| psout | PS-GVB Chemical Modeller Output Data |
| psp | Autodesk AutoCAD Civil 3D Pond Shape Definition |
| Marvelous Designer Physical Property Data |
| OvenWATCH Paste File |
| Streets & Trips Pushpin Data |
| pspautosave | Paint Shop Pro Autosave Data |
| pspbumpmap | Corel Paint Shop Pro Bumpmap |
| pspcache | Corel Paint Shop Pro Cache |
| pspgradient | Paint Shop Pro Gradient Data |
| psppalette | Corel Paint Shop Pro Palette |
| pspselection | Corel Paint Shop Pro Selection |
