| psw6 | Password Depot 6 Data File |
| psw8 | Password Depot Portable Data |
| pswx | Password Depot Portable Data |
| psx | Dirty Little Helper PSX Data |
| psyexp | PsychoPy Experiment Data |
| pt | PassMark Performance Test Data |
| pt1 | WavePad Data |
| pt2 | Green Kenue Point Set Data |
| pt3 | Harvard Graphics 3.0 Device Driver |
| pt3d | POSS Points 3D Data |
| pt4 | Avid Pro Tools 4 Session Data |
| pt5 | Avid Pro Tools 5 Session Data |
| pt6 | Avid Pro Tools 6 Session Data |
| pt7 | Avid Pro Tools 7 Session Data |
| pt7 | Stitch R-XP Design |
| pt8 | Avid Pro Tools 8 Session Data |
| pt9 | PADS Layout Library Part Type Data |
| ptb | Peachtree Accounting Database Backup |
| ptb | ProfiCAD Title Block Data |
| ptb | Sage 50 Backup Data |
| ptbl | PIPE-FLO Pipe Data Table |
| ptc | iPack Patch |
| ptc | NRG Symphonie Patch Data |
| ptd | PipeTech Data File |
| ptd | Polar ProTrainer Team Data |
| ptd | Pro/ENGINEER Exported Table |
| ptdb | Peachtree Accounting Database |
| ptf | PlayStation Portable Theme Data |
| ptf | Pro Tools Session Data |
| ptf | PSP Theme Data |
| ptf | Quanquest Project Translation Data |
| ptf | West LiveNote Portable Transcript Data |
| pth | 4D Path Document |
| pth | LISREL Path Diagram Data |
| pti | IBM e-Config Exported Portfolio Item |
