| pln | CTP Pro Scene Data |
| plo | Radio Toolbox Playlist |
| plot | Matplotlib Plot |
| plp | Messenger Plus! Live Sound Package |
| plq | TAK 2000 Heat Rate Plot |
| plr | Mail.dat Package Label File |
| pls | Spike2 Output Sequencer Views Data |
| pls | WinPAS Plus32 Database |
| plsc | Messenger Plus! Live Script |
| plsk | Messenger Plus! Live Skin Pack |
| plt | dnaLIMS Sample Sheet Data |
| plt | EPOC Software Platform Data |
| plt | MODTRAN Spectral Output File |
| plt | Nintendo DS Palette Data |
| plt | PTC Creo Plot Data |
| 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 | Polygon Model |
| ply | Scanalyze Triangle-mesh Data |
| pm | Lotus 1-2-3 Formatted Text Data |
| pm | Pegasus Mail Frequently Used Data |
