| Abbreviation | Definition |
|---|---|
| CRA | Advanced crack file (usually text) |
| CRD | Guitar Chord File |
| CRD | Windows 3.x or Yourway Cardfile |
| CRE | Infinity Game Engine Monster Description file |
| CRE | LiveUpdate Crescendo Catapult File |
| CRF | Calcomp Raster File Bitmap graphics |
| CRF | CHARTrunner Chart Definition file |
| CRF | MASM - Zortech C++ Cross- Reference file |
| CRF | Sierra Print Artist Craft File |
| CRF | System Shock 2 Archive file |
| CRF | Thief 2: The Metal Age Archive file |
| CRH | Links Games Course File |
| CRH | Microsoft Golf Image File |
| CRK | Crack file (usually text) |
| CRM | Netmino File |
| CRP | Corel Presents Run-time Presentation |
| CRP | dBASE IV Encrypted database file |
| CRP | Visual dBASE Custom Report |
| CRS | WordPerfect 5.1 File Conversion Resource |
| CRT | Internet security certificate |