File Extensions Abbreviations and Acronyms

1. f
   Freeze Compressed File
2. MCT
   Windows Live Messenger Data File
3. W
   Word chart file (APPLAUSE)
4. W
   Openedge Architect Source Code File
5. W
   Google Toolbar Search History File
6. y
   Subsampled Raw Yuv Image
7. y
   Amiga Yabba Compressed File
8. y
   Yacc Source File
9. ANS
   Animation (graphics or text)
10. ANS
    Ansi Text File
11. ANS
    Hotdocs Binary Answer File
12. CHW
    Compiled Help Index File
13. SIT
    UnStuff Compressed file archive
14. SIT
    Stuffit Archive
15. t
    Tutorial
16. t
    Turing Source Code File
17. CAWR
    Espresso Workreport Document
18. IST
    Inspiration Template
19. IST
    Installshield Project Template File
20. MSu
    Windows Vista Update Package

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