| pprot | NxSeq Long Mate Pair Library Kit Saved Parameters |
| ppsenx | Egis Encrypted Powerpoint PPS Document |
| ppsmenx | Egis Encrypted Powerpoint PPSM Slideshow |
| ppsxenx | Egis Encrypted Powerpoint PPSX Slideshow |
| ppt | Sony PSP Texture Data |
| pptenx | Egis Encrypted Powerpoint PPT Document |
| pptmenx | Egis Encrypted Powerpoint PPTM Document |
| pptxenx | Egis Encrypted Powerpoint PPTX Document |
| ppv | Punch! Home Design Thumbnail Data |
| ppw | Micrografx Picture Publisher Wizard |
| ppws | Enfocus PitStop Workspace Settings Data |
| ppx | IBM Cognos PowerPlay Data |
| ppx | PingPlotter Script |
| ppz | Poser Compressed Props Data |
| ppz9 | Microsoft PowerPoint for Mac Wizard |
| pq | Adobe PageMaker Default Printer Style |
| pqb | Pleco Chinese Dictionary Database |
| pqb-backup | Pleco Chinese Dictionary Database Backup |
| pqc | Komori PCC Print Profile |
| pqe | Ontrack EasyRecovery Recovered Data |
| pqf | Corel Presentations Slideshow Runtime |
| pqi | PhreeqcI Data |
| pqo | PhreeqcI Data |
| pqr | PyMOL PQR Data |
| pqs | PQS Input File |
| pqt | Mail.dat Package Quantity File |
| pqw | Corel Presentations Slideshow Runtime |
| pqx | Power Quest Drive Image Index Data |
| pqz | QuaSZ Style Palette |
| pr | Erosion 3D Precipitation Parameters Data |
