File Extensions Abbreviations and Acronyms

1. UDC
   Adobe Indesign User Dictionary
2. UDD
   Universal Data Dictionary
3. UDF
   Excel User Defined Function
4. UDF
   Universal Disk Format File
5. UDI
   Corel Graphics10 Draw Script Textures Bitmap File
6. UDK
   Unreal Engine Map File
7. UDL
   Microsoft Universal Data Link File
8. UDS
   Sierra Generations Family File
9. UDS
   Sierra Generations File
10. UDS
    Uniform Data System File
11. UDS
    Netbackup Unix Domain Socket File
12. UDW
    Raw Unsigned DoubleWord (32-bit) Data
13. UEA
    Protector Suite Ql Encrypted Archive
14. UFA
    UFA Compressed file archive
15. UFO
    Ulead File Object
16. UFO
    Ulead File for Objects ( Ulead PhotoImpact)
17. UFR
    Ultra Fractal File
18. UFS
    Freebsd Unix File System File
19. UGA
    Ulead Gif Animator File
20. UGR
    Apophysis Ultra Fractal Gradient File

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