| Abbreviation | Definition |
|---|---|
| PNF | Precompiled setup information (Windows) |
| PNG | Bitmap graphics (Portable Network Graphics) |
| PNM | Bitmap graphics (PBM Portable aNyMap) |
| PNP | Portable Network Photograph |
| PNT | Apple MacPaint format Bitmap graphics |
| PNT | Pointlist segment ( FTN software) |
| PNT | Qwk reader pointer file (MarkMail 2.x) |
| PNT | Vector point data (ARC format) |
| PNTG | Apple Macintosh Black & White MacPaint file Bitmap graphics |
| POH | Geoworks Optimized .goh include file |
| POL | Polygon Models Format ( InnovMetric Software) |
| POO | String pool (INITeX) |
| POP | Messages index (PopMail) |
| POP | Pop-up menu object (dBASE Application Generator) |
| POT | Continuous potential image (Fractint) |
| POT | Template (MS PowerPoint) |
| POV | Persistance Of Vision Raytraced graphics image file |
| POW | PowerChords Instrument or song file |
| PP | Compressed Amiga file archive (PowerPacker) |
| PP4 | Picture Publisher 4 file Bitmap graphics |