File Extensions Abbreviations and Acronyms

1. .WBCAT
   Windows Backup Catalog File
2. .73B
   Ti-73 Backup File
3. .AS4
   Asksam Backup File
4. .BAK2
   Backup File
5. .BAK3
   Backup File
6. .BIFX
   Get Backup Project
7. .BKUP
   Backup
8. .BKUP
   Backup File
9. .BLEND2
   Blender Document Backup 2 File
10. .CK9
    Cook'n Cookbook Backup File
11. .DA0
    Windows Registry Backup File
12. .GB2
    Game Maker Backup File
13. .INPROGRESS
    Time Machine Backup Progress File
14. MV
    Movie Edit Pro Movie Backup File
15. .NB7
    Novabackup Output File
16. .NRBAK
    Neatreceipts Backup File
17. .NWBAK
    Neatworks Backup File
18. .PBXSCRIPT
    Personal Backup Script
19. .PQB-BACKUP
    Pleco Chinese Dictionary Backup File
20. .QUALSOFTCODE
    J&asoft Code Archive File

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