File extension
File type
Developer
File format
OCA
Custom Control Library Type File
Microsoft
N/A
ODX
BizTalk Server Orchestration File
Microsoft
N/A
OGNC
Dynamic Web Page
N/A
N/A
ODM
OpenDocument Master Document
OASIS
Binary
ODM
OverDrive Media File
OverDrive
N/A
OPT
Opterecenja File
Zeljko Finzgar
N/A
OPT
AGT Game Data File
N/A
N/A
OFC
Open Financial Connectivity File
Microsoft
N/A
OPD
OmniPage Document
Nuance Communications
N/A
OPD
Durango Document
Diffraction International
N/A
ONE
OneNote Document
Microsoft
N/A
OMX
OtsAV Media Library Information File
Ots Labs
N/A
OFL
Ots File List
Ots Labs
N/A
OB!
Orbit Downloader Incomplete Download
Orbit Downloader
N/A
OMA
Sony OpenMG Music File
Sony
N/A
OND
Lotus Notes Encapsulated Memo File
IBM
N/A
OVPN
OpenVPN Configuration File
OpenVPN Technologies
N/A
OWL
OWL Source Code File
N/A
N/A
OTL
NoteTab Outline File
Fookes Software
N/A
OGA
Ogg Vorbis Audio File
Xiph.Org
Binary
OVA
Open Virtual Appliance
VMware
Binary
OVA
Octava Musical Score
Obtiv
N/A
OMP
Office Manager Document Archive
Krekeler
N/A
OMP
OpenMind Windows Document
MatchWare
N/A