File Extensions Abbreviations and Acronyms

1. DDX
   Alpha Five Data Dictionary Index File
2. DE
   Borland C 4.x Project backup file
3. DEB
   Debug script
4. DEB
   Debian Software Package
5. DEC
   Decoded file
6. DEC
   Declaration File
7. DED
   Dr. Engrave Document
8. DEF
   Design Exchange Format
9. DEF
   Iobit Malware Fighter Definitions File
10. DEF
    Smartware Ii Data File
11. DEF
    M.u.g.e.n. Character Definition File
12. DEF
    Module-definition File
13. DEFS
    Bluej Settings File
14. DEK
    Eavesdropper Batch File
15. DEK
    Magic: The Gathering Deck File
16. DEK
    Yugioh Virtual Desktop Deck File
17. DEK
    Lackeyccg Card Deck File
18. DEK
    Memorize-it Flashcard Deck
19. DEM
    Demonstration
20. DEM
    Digital Elevation Model

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