| Abbreviation | Definition |
|---|---|
| RIP | Quincy Program crash report |
| RIP | Remote Access Graphics |
| RIX | RIX Softworks Paint Tool ColoRIX file, Bitmap graphics |
| RKV | RKIVE Compressed file archive |
| RL4 | Bitmap graphics |
| RL8 | Bitmap graphics |
| RLA | Wavefront raster image file Bitmap graphics |
| RLB | Harvard Graphics for Windows Data |
| RLB | Wavefront raster image file Bitmap graphics |
| RLC | Run Length RLC file Bitmap graphics |
| RLD | Norton Commander 5.0 Temporary file |
| RLE | Utah Run-Length Encoded image file Bitmap graphics |
| RLZ | C A- Realizer - Realizer source code file |
| RM | Realaudio Audio File |
| RMF | Rich Music Format |
| RMF | Rich Music Format ( Beatnik) |
| RMI | Midi music, RIFF RMID format |
| RMK | C A Clipper RMake Makefile |
| RMP | RealAudio Audio file |
| RN | Nota Bene Xpl program |