| plt | Tecplot 360 Binary Plot Data |
| plt0 | Nintendo Wii Palette Data |
| pltn | Appearance Manager Platinum Theme Data |
| plu | AquaCrop Rainfall Data |
| plu | Portable License Utility Data |
| plu | SensoSCAN 5 Saved Measurements Data |
| plu250 | Portable License Utility Data |
| plux | SensoSCAN 6 Saved Measurements Data |
| plv | XPowder RAW Data |
| plw | PicoLog Data |
| ply | Finale Playback Data |
| ply | Harvard Graphics Presentation Screen |
| ply | Polygon Model |
| ply | Scanalyze Triangle-mesh Data |
| pm | Lotus 1-2-3 Formatted Text Data |
| pm | Pegasus Mail Frequently Used Data |
| pm! | Pegasus Mail Address Book |
| pm# | Pegasus Mail Status Data |
| pm$ | Pegasus Mail Temporary Data |
| pm1 | Pegasus Mail Folder Secondary Index |
| pm2 | Pegasus Mail UID Information |
| pm3 | Pegasus Mail 3 Data |
| pm4 | Pegasus Mail General Filtering Rules Data |
| pm5 | Pegasus Mail New Message Template |
| pm5 | SmartCAM Process Model File |
| pm6 | Pegasus Mail Reply Template |
| pm7 | Pegasus Mail Folder State |
| pma | Payroll Mate Data |
| pma | Windows NT Performance Monitor Alert File |
| pmb | Navicat for MariaDB Backup Data |
