| ptp | ToolBook Instructor Assistant Book Data |
| ptped | iPed Database Backup |
| ptr | Redatam Pointer Data |
| ptrack | SAM Predict Track Data |
| pts | Abbyy FineReader Data |
| pts | ENVI Ground Control Point File |
| pts | PTC Creo Points Coordinate Data |
| pts | RSView Machine Edition Project Settings Data |
| ptshortcut | PowerTunes Shortcut |
| ptt | Avid Pro Tools Session Template |
| ptt | Microsoft MapPoint Template |
| ptts | CASIA-OLHWDB 2.0 Page Data |
| ptu | Performer Terrain Utilities Data |
| ptu | PicoQuant Time Tagged File |
| ptu | SymPhoTime 64 Time Tagged Data |
| ptvw | Exact Business Analytics Template |
| ptx | Corel Paint Shop Pro Texture Preset |
| ptx | Mari Ptex Data |
| ptx | PassMark Performance Test Baseline Data |
| ptx | Punch! Home Design Texture Data |
| ptxml | Windows PerfTrack XML Data |
| ptxt | Avid Pro Tools Session Template |
| pty | IBM Rational Rose Property Set |
| pub | NeoBook Publication Source Data |
| pub | OpenSSH Public Key Data |
| pub | PGP Public Keyring Data |
| pubf | Adobe PageMaker 2 for Mac Data |
| pubkr | PGP Public Keyring Data |
| public | OpenSSL Public Key Data |
| puc | Page Update Checker Data |
