File Extensions Abbreviations and Acronyms

1. ORE
   Ore Executable File
2. ORF
   Olympus Raw File
3. ORG
   Lotus Organizer File
4. ORI
   Original File
5. ORIG
   Original File
6. ORT
   Rich Text Editor Document
7. ORV
   Oracom Video File
8. ORX
   Radiantone Vds Database Schema
9. OS
   Objectscript Source File
10. OSAX
    Applescript Scripting Addition
11. OSB
    Openstreetmap Binary Map File
12. OSC
    Openstreetmap Change File
13. OSC
    Obix Source Code File
14. OSF
    Outrage Sound Format
15. OSK
    Osu! Skin File
16. OSM
    Openstreetmap Map File
17. OSP
    Openshot Project File
18. OSR
    Osu! Replay File
19. OSS
    MicroSoft Office Search result
20. OSS
    Microsoft Outlook Saved Search File

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