| Extension |
Information |
|
OAB
|
Outlook Address Book (Microsoft Corporation) |
|
OBI
|
|
|
OBJ
|
Blender 3D Object (The Blender Foundation) |
|
OBJ
|
UVMapper Object (Stephen L Cox) |
|
OBJ
|
Relocatable Object Code |
|
OCA
|
Control Typelib Cache (Microsoft Corporation) |
|
OCX
|
Object Linking and Embedding (OLE) Control Extension (Microsoft Corporation) |
|
OD
|
|
|
ODB
|
Psion Organiser Datafile and LZ Diary File (Psion PLC) |
|
ODB
|
OpenOffice/StarOffice OpenDocument (Ver 2) Database (Sun Microsystems, Inc.) |
|
ODB
|
Organizers Database (ODB) Database (Organizers' Collaborative) |
|
ODBC
|
|
|
ODC
|
OpenOffice/StarOffice OpenDocument (Ver 2) Chart (Sun Microsystems, Inc.) |
|
ODF
|
OpenOffice/StarOffice OpenDocument (Ver 2) Formula (Sun Microsystems, Inc.) |
|
ODF
|
OnkoS Data (OnkoS) |
|
ODM
|
Opendisc Software (Opendisc) |
|
ODM
|
OverDrive Media Console Media Control File (OverDrive Inc.) |
|
ODM
|
OpenOffice/StarOffice OpenDocument (Ver 2) Global Text Document (Sun Microsystems, Inc.) |
|
ODS
|
OpenOffice/StarOffice OpenDocument (Ver 2) Spreadsheet (Sun Microsystems, Inc.) |
|
ODT
|
OpenOffice/StarOffice OpenDocument (Ver 2) Text Document (Sun Microsystems, Inc.) |
|
ODT
|
MindRender Virtual Reality Explorer Kit (VREK) Object File Format (Themekit Systems Ltd.) |
|
OEM
|
OEM Data Used During Device Install |
|
OEM
|
Text Listing of Supported OEM Devices for WinNT |
|
OFM
|
OmniForm Form File (Nuance Communications, Inc.) |
|
OFM
|
Embroidery Design File |
|
OFT
|
Outlook Item Template (Microsoft Corporation) |
|
OFX
|
Open Financial Exchange File |
|
OFX
|
Olicom Fax |
|
OGG
|
Origin Graphic File (OriginLab Corporation) |
|
OGG
|
Ogg Vorbis Codec Compressed Multimedia File (Xiph.Org Foundation) |
|
OGM
|
Origin Matrix File (OriginLab Corporation) |
|
OGM
|
Ogg Vorbis Compressed Video File |
|
OLB
|
OrCAD PSpice Capture Symbols Model (Cadence Design Systems, Inc.) |
|
OLB
|
Automation Object Library (Microsoft Corporation) |
|
OLB
|
AUTOGEN |
|
OLD
|
Old Version |
|
OLE
|
Object Linking and Embedding (OLE) Object |
|
OMA
|
Sony OpenMG Music Format File (Sony Corporation of America) |
|
OMF
|
Operation, Management & Finance Database (ENIAC Computing) |
|
OMF
|
Open Media Format File |
|
ONE
|
EdgeCAM Licensing Data Ffile (Pathtrace Engineering Systems) |
|
ONE
|
docPointer Visual ReadMe File (docPointer) |
|
ONE
|
OneNote Note File (Microsoft Corporation) |
|
OPD
|
Durango Interferometry Software Document (Diffraction International) |
|
OPF
|
Gemstar eBook Publisher Package (Gemstar eBook) |
|
OPF
|
Flip Album File |
|
OPF
|
Obsidium Project File (Obsidium Software) |
|
OPT
|
Delphi Project Options (Borland Software Corporation) |
|
OPT
|
Business Integrator Option File (Pervasive Software Inc.) |
|
OPT
|
Options/Configuration |
|
ORF
|
Descent 3 Outrage Room Format |
|
ORF
|
Olympus Digital Camera Raw Image File |
|
ORG
|
Organiser (IBM) |
|
ORG
|
Hollywood FX Effects Organizer File (Pinnacle Systems, Inc.) |
|
ORG
|
Yamaha Organ Flutes (Yamaha Corporation of America) |
|
OSD
|
SoftGrid Program Description (Softricity, Inc.) |
|
OSD
|
Open Software Description File (Microsoft Corporation) |
|
OSD
|
Directory Opus Configuration File (GPSoftware) |
|
OST
|
Exchange Offline File (Microsoft Corporation) |
|
OST
|
Outlook Offline Storage File (Microsoft Corporation) |
|
OST
|
Tivoli Storage Manager File (IBM) |
|
OSX
|
|
|
OTF
|
Open Type Font Format |
|
OTF
|
OpenOffice/StarOffice OpenDocument (Ver 2) Formula Template (Sun Microsystems, Inc.) |
|
OTF
|
Blu-ray Text Subtitle Font Information (Blu-ray Disc Association) |
|
OUT
|
Wireshark Traffic Log (Gerald Combs) |
|
OUT
|
Outlines or Output File |
|
OUT
|
Pro/ENGINEER Temporary File (PTC) |
|
OVE
|
Cakewalk Overture Score (Cakewalk) |
|
OVF
|
|
|
OVL
|
PDP-10 Overlay (Pre-Virtual Memory) |
|
OVL
|
Program File - Overlay |
|
OVL
|
RollerCoaster Tycoon Program Sprite (Infogrames Entertainment SA) |
