| c09 | WinAce Archive |
| c10 | WinAce Archive |
| ca0 | Borland Installer Packed Data |
| caa | CleanApp Archive |
| cab | Microsoft Cabinet File |
| cam-pkg | CircuitCAM Design Package |
| cap | JavaCard Converted Applet |
| car | Oracle Documaker CAR Archive |
| SAPCAR Archive |
| carb | Apple Carbon Package |
| carc | Nintendo DS Compressed Archive |
| caz | CAZIPXP Compressed Archive |
| ca_ | Compressed Microsoft Cabinet File |
| cbi | Crossbeam XMS Installation Package |
| cbu | Comodo Backup Archive |
| ccgame | XNA Game Studio Creators Club Package |
| ccip | Curse Client Install Package |
| ccslider | Character Creator Morph Slider Data |
| ccz | CommCare Package |
| cfs | Compact File Set |
| cgdb | Microsoft Office Clip Art Package |
| chc | GFI MailEssentials Patch |
| chk | TomTom Navigator Voices Archive |
| chksplit | Incredible Bee Archiver Split Checksum |
| chz | ChArc Compressed Archive |
| ci3 | Crimson 3 Image |
| cig | Fastback Plus Compressed Backup |
| cjl | DigitalHIWAY Concatenated JPEG Library |
| ckp | Certainkey Valise Light Archive |
| cl2arc | Comic Life 2 Document Archive |
| cmf | HP Connected Backup Data |
| cmp | Microsoft SharePoint Content Migration Package |
| PKWare Data Compression Library Archive |
| THEOS Compressed Archive |
| cmpack | Aptify CM Tool Package |
| cnr | CNR Installation Package |
| cod | BlackBerry COD Archive |
| colpkg | Anki Fashcard Collection Package |
| costylepack | Capture One Style Package |
| cp9 | ChoicePoint Encrypted |
| cpack | Cpack Archive |
| cpct | Compact Pro Archive |
| cpgs | cPGS Addon Package |
| cpgz | Gzip Compressed CPIO Archive |
| cpio | CPIO Archive |
| cps | Central Point PC Tools Backup |
| cptheme | cPanel Theme Package |
| cpz | Central Point Shrink Archive |
| cru | Crush Compressed Archive |
| crx | Chrome Extension |
| cryptomite | CryptoMite Encrypted Archive |
| csa | Web Research Document Archive |
| ctw | CTW Compressed File |
| ctz | Custody Toolbox Compressed Backup |
| cwu | Across crossWAN Package |
| cxarchive | CrossOver Bottle Archive |
| czar | Cherwell Archive Repository |
| czip | ZIPGenius CryptoZip Archive |
| czx | CZIP X Encrypted ZIP Archive |
| d01 | Jydivide Split |
| d02 | Jydivide Split |
| d03 | Jydivide Split |
| d5p | Dragon UnPACKer Language Pack |
| daf | Duplicator Pro DupArchive Format Data |
| dalp | Intel Dynamic Application Loader Package |
| dar | DAR Disk Archive |
| darc | Darc Archive |
| dark | OpenDark Archiver Compressed File |
| data | Acronis True Image Backup |
| dbk | Sony Ericsson PC Suite Backup Data |
| dca | DCA Archive |
| dcf | Safetica Free Encrypted Archive |
| dd | DiskDoubler Archive |
| ddap | DiskDoubler Compressed Data |
| ddz | Adaptec Compressed Driver Disk Image |
| deb | Debian Package |
| decrypt | Decrypted Microsoft ESD File |
| deskthemepack | Microsoft Windows 8 Desktop Theme Pack |
| devpackage | Dev-C++ Developer Package |
| devpak | Dev-C++ Developer Package |
| dfl | DEFLATE Compressed Data |
| dfpackage | Together ControlCenter Development Tool Package |
| dgc | DGCA File Archive |
| dicombz2 | BZip2 Compressed DICOM Image |
| dicomzip | Zipped DICOM Image |
| dix | DIVA-GIS Exported Project |
| djz | DJUCED Sample Package |
| dkb | PowerQuest DataKeeper Backup |
| dm | DRM Delivery Message |
| dmd | DreamMail Backup |
| dna | CA Backup and Migration Backup |
| dockzip | ObjectDock Docklet Archive |
| doz | Zardoz Archive |
| dp | mToolkit Deployment Package |
| dpb | DVD Profiler Backup Data |
| dpk | Windows Application Manager Deleted Package |
| dpy | Active Expert Deployment Package |
| dra | DaVinci Resolve Results Archive |
| drm | DRM Delivery Message |
| dtea | Diagnosis Template Archive |
