| Abbreviation | Definition |
|---|---|
| CUE | Microsoft Cue Cards data |
| CUF | C Utilities Form definition (Turbo C Utilities) |
| CUR | Cursor image resource ( Resource Workshop - Watcom Resource Editor) |
| CURSOR | Cursor (Sun Cursor file) |
| CUT | Dr. Halo bitmap graphics file |
| CV | Corel Versions Archive |
| CV | Microsoft CodeView Information screen |
| CV4 | Color file (CodeView) |
| CVF | Compressed volume (SuperStor) |
| CVP | Cover page (WinFax) |
| CVS | Bitmap graphics (Canvas drawing) |
| CVT | Backup file for CONVERTed database file (dBASE IV) |
| CVW | Color file (CodeView) |
| CWEB | C Web |
| CWK | Document (ClarisWorks) |
| CWL | Library (ClarisWOrks) |
| CWP | Code Wizard Project |
| CWS | Stationery (ClarisWorks) |
| CX | Script (CodeMapper) |
| CXX | C++ language source code file (Zortech C++, gcc) |