| Abbreviation | Definition |
|---|---|
| CDX | Compound index (FoxPro) |
| CDX | Compressed drawing (Corel Draw) |
| CE | Computer Eyes ( Digital Vision IFF bitmap) |
| CEF | Computer Associates Clipper Workbench application |
| CEG | Bitmap graphics (Tempra Show - Edsun Continuous Edge Graphics) |
| CEL | Animation (Autodesk Animator - 3D Studio) |
| CEL | CIMFast Event Language file |
| CEL | Lumena CEL 15/32bit Bitmap graphics file |
| CER | Compilation ERror message |
| CER | Security certificate |
| CF | Imake Configuration file |
| CFA | Compressed File Archive |
| CFB | Comptons Multimedia file |
| CFB | Inmos binary configuration file |
| CFC | ColdFusion Component |
| CFG | Configuration |
| CFL | CorelFLOW Chart |
| CFM | Cold Fusion Markup Template |
| CFN | Atari Calamus Font data |
| CFO | C Form Object file |