File Extensions Abbreviations and Acronyms

1. C00
   Ventura Publisher Print file
2. C00
   Winace Split Archive File
3. C3E
   Cype file
4. C64
   Commodore 64 image file Bitmap graphics
5. C86
   C language source code file (Computer Innovation C86)
6. CA0
   Packed and splitted file (Borland Installer)
7. CA7
   Beta 44 Job file
8. CCRF
   Bitmap graphics (Calcomp Raster File) (B&W or 1bit CMYK for printers)
9. CMUWM
   Bitmap graphics (Carnegie Mellon University (CMU) Window Manager bitmap Formats)
10. CV4
    Color file (CodeView)
11. D63
    Commodore 64 emulator disk file
12. DT
    Data fork of a Macintosh file (Mac-ette)
13. DT
    Macintosh Data Fork
14. DY22
    Sound (Dyaxis format) (sampling rate 22k)
15. DY44
    Dyaxis format sampling rate 44k Sound file
16. EOBJ
    Object code (error-checking version) (Geoworks)
17. EPSON
    Epson printer graphics file
18. ER1
    Data (ERWin)
19. ER1
    Erwin Entity Relationship Diagram
20. EX3
    Harvard Graphics 3.0 Device driver

Last updated: March 20, 2022 — Total entries: 12,444