ODX-BizTalk-Server-Orchestration-File
ODZ-IBM-OpenDoc-Editor-Package-File
OEACCOUNT-Windows-Mail-Account-File
OEACCOUNT-Windows-Media-Account
OEB-Open-eBook-Document-International-Digital-Publishing-Forum-IDPF
OEB-Outlook-Express-Backup-Wizard
OEB-Outlook-Express-Backup-Wizard-File
OEDB-Mac-File-Type
OEM-OEM-data-used-during-device-install-files
OEM-OEM-Setup-File
OEM-SB_AWE-Keys-SB_NT-File
OF-Audio-Utility-Tuningwrench-compressed-file
OFC-Open-Financial-Connectivity-File
OFC-Open-Financial-Connectivity-file-Header
OFD-Form-definition-ObjectView
OFF-Object-File-3D-Mesh
OFFSETS-Offset-file
OF-LessDATA-Video-System-OneFile-file-format
OFL-Ots-File-List
OFL-OtsTurntables-Playlist-Ots-Labs
OFM-Adobe-PostScript-font-description-file
OFM-Embroidery-Design-File
OFM-Font-Adobe-Systems-Incorporated
OF-MicroImages-Outline-Font-MicroImages-Inc
OFM-OfficeForms-blank-form-file
OFM-OmniForm-form-file
OFM-OmniForm-Form-Header
OFM-PostScript-font-description-file
OFM-US-Postal-Service-file
OFN-FileNew-file-Microsoft-Office
OFR-OptimFROG-Encoded-Audio-Florin-Ghido
OFR-OptimFROG-encoded-Audio-Header
OFR-Systems-Management-Server-SMS-offer-description-file
OFS-OptimFROG-dualstream-file
OFT-Template-Microsoft-Outlook
OF-Tuningwrench-Audio-Utility-compressed-file
OFW-Toplevel-Forms-Form-Toplevel-Computing-Ltd
OFX-Olicom-Fax
OFX-Olicom-Fax-Image-Format
OFX-Open-Financial-Exchange-File
OGA-Ogg-Vorbis-Audio-File
OGA-Ogg-Vorbis-audio-profile
OG-Atari-Jaguar-GPU-TOM-object-code
OGF2-MapViewGPS-Map-Coordinates-File
OGF3-MapViewGPS-Map-Coordinates-File
OGF-OnkoS-Graphic-File-OnkoS
OGG-Ogg-Vorbis-audio-file
OGI-OpenPBX-Gateway-Interface-File-OpenPBX-org
OGLE-Mac-File-Type
OGL-Overlay-source-code
TechTarget file types