File Extensions Abbreviations and Acronyms

1. 3D2
   Stereo Cad-3d 2.0 Image File
2. 3DM
   QuickDraw 3D Metafile (QuickDraw)
3. 3DM
   Rhino 3d Model
4. 3DMF
   QuickDraw 3D Metafile (QuickDraw)
5. 3DMF
   Quickdraw 3d Metafile
6. 3DS
   Graphics (Autodesk 3D Studio)
7. 3DS
   3d Studio Scene
8. 3DS
   Nintendo 3ds Rom
9. 3FX
   3D effects (CorelChart)
10. 3T4
    Util3 Binary file converter to ASCII
11. 4C$
    4Cast/2 Datafile
12. 4GE
    Informix 4G Compiled source code file
13. 4MD
    Musical file
14. 4SW
    4DOS Swap file
15. 4TH
    ForthCMP Forth language source code file
16. 4TH
    Forth Language File
17. 8
    Assembly language source code file (A86)
18. 668
    Music (the mixing is always at 12048Hz)
19. 669
    669 Composer 8-channel MOD Music File
20. 669
    Unis Composer 669 Module

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