| cfe | 1C:Enterprise Configuration Extension Data |
| cfe | CryptoForge Encrypted |
| cff | ColorImpact Color Formula |
| cff | Docuware Content Folder File |
| cff | ENVI Calibration Factors Data |
| cff2 | Kodak Pandora Exported Data |
| cfg | Cal3D Model Configuration Data |
| cfg | Celestia Configuration Data |
| cfg | Lightwave 3D Configuration |
| cfg | Vector CAD Postprocessor Data |
| cfgr | BenMAP Configuration Results |
| cfh | Fieldbus Foundation Capabilities Data |
| cfk | Microsoft Developer Studio Diagram |
| cfl | 1C:Enterprise Auxiliary Data |
| cfl | IMVU Product Data |
| cflt | CATS Flat File |
| cfm | Altair FEKO CADFEKO Model Mesh Data |
| cfm | CorelDraw Font Master Data |
| cfog | Cloudfogger Encrypted Data |
| cfos6link | cFos IPv6 Link Registration Key |
| cfospnet | cFos Personal Net Registration Key |
| cfosspeed | cFosSpeed Registration Key Data |
| cfp | Cfont Pro Package |
| cfp | Intuit Quickbooks Cash Flow Projector File |
| cfs | Altair FEKO CADFEKO Workspace Data |
| cfs | ChatFactory Script |
| cfs | Lucene Single Compound File |
| cfs | Zaplots CFS Console Data |
| cfsd | Nintendo 3DS Mii Data |
| cft | CFast Graphics Data |
