| cedata | Pogoplug Data |
| cedf | Ultra TC Configuration Editor Data |
| cee | CN3 Compressed Extended Ephemeris Data |
| cef | CenturionMail Encrypted Email |
| QPEACE Cluster Exchange Format Data |
| SanDisk CruzerLock Encrypted Data |
| SciFinder Chemical eXchange Format Data |
| Spaix PumpSelector Catalog Exchange Format Data |
| ceh | QPEACE Cluster Exchange Format Header |
| cei | CRiSP Harvest Settings Data |
| ceimg | CeRegEditor Registry Image |
| cekey | McAfee VirusScan Encryption Key Data |
| cel | Affymetrix Probe Array Results File |
| Bentley MicroStation Cell Library |
| Celestia CEL Script |
| PTC Creo Machine Parameter Data |
| cell | CASTEP Cell Input Data |
| celx | Celestia Script File |
| cen | CEN EN 13032 Photometric Data |
| cept | Creative Element Power Tools Data |
| cer | MSI Cerius 2 Format Data |
| Sierra Print Artist Certificate |
| cerf | Certificate Enrollment Request File |
| cert | Netscape Certificate Index |
| Nintendo Switch Certificate Data |
| Open Virtual Machine Format Certificate |
| cetrainer | DBVM Data |
| cev | SEL Compressed Event Report |
| cex | CLAN Output Data |
| SolidWorks Enterprise PDM Exported Vault Settings |
| cez | Prosurv cEZ Job File |
| cezeokey | CEZEO Product Key Data |
| cf | 1C:Enterprise Configuration Data |
| CFEngine Policy Data |
| cf1 | Common Loudspeaker Format Type 1 File |
| WOW! Diagnostic CF1 Data |
| cf10 | IRIG 106 Original Recording Data |
| cf2 | Common Loudspeaker Format Type 2 File |
| cf3 | CFEngine Database |
| CFEngine Policy Data |
| cf4 | Catfish File Manager Support Data |
| cf5 | Docuware v5 Content Folder File |
| cf7 | Cashflow Manager v7 Data File |
| cf8 | Cashflow Manager v8 Data |
| cf9 | Cashflow Manager v9 Data |
| cfa | ComProbe Analyzer Captured Data |
| cfb | Disk Drill Recovered Data |
| Spike2 Filter Bank Data |
| cfbx | Spike2 v7 Filter Bank Data |
| cfd | CryptoForge Document |
| cfdg | Context Free Design Grammar |
| cfe | 1C:Enterprise Configuration Extension Data |
| CryptoForge Encrypted |
| cff | ColorImpact Color Formula |
| Docuware Content Folder File |
| ENVI Calibration Factors Data |
| cff2 | Kodak Pandora Exported Data |
| cfg | Cal3D Model Configuration Data |
| Celestia Configuration Data |
| Lightwave 3D Configuration |
| Vector CAD Postprocessor Data |
| cfgr | BenMAP Configuration Results |
| cfh | Fieldbus Foundation Capabilities Data |
| cfk | Microsoft Developer Studio Diagram |
| cfl | 1C:Enterprise Auxiliary Data |
| IMVU Product Data |
| cflt | CATS Flat File |
| cfm | Altair FEKO CADFEKO Model Mesh Data |
| 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 |
| Intuit Quickbooks Cash Flow Projector File |
| cfs | Altair FEKO CADFEKO Workspace Data |
| ChatFactory Script |
| Lucene Single Compound File |
| Safari CFS Data |
| Zaplots CFS Console Data |
