O
Ext. | Description | Used by |
---|---|---|
O$$ | Outfile | Sprint |
O | Object file | UNIX - Atari - GCC |
O01 | Typhoon vOice file | AWAVE |
OAZ | Fax | NetFax Manager |
OB | Object cut/paste file | IBM LinkWay |
OBD | Microsoft Office Binder | MSOffice |
OBJ | Compiled machine language code | |
OBJ | Object code | Intel Relocatable Object Module |
OBJ | Wavefront Object | |
OBJF | Data | Triangle strips object |
OBR | Object browser data file | Borland C++ |
OBS | Script | ObjectScript |
OBT | Microsoft Office Binder Template | MSOffice |
OBV | Visual interface | ObjectScript |
OBZ | Microsoft Office Binder Wizard | MSOffice |
OCF | Object Craft File | Object Craft |
OCD | OCAD Map File | OCAD |
OCR | Incoming fax transcribed to text | FAXGrapper |
OCT | Musical file | Pctalizer |
OCX | New Custom Control's format in VB 4.0 | Visual Basic |
OCX | OLE custom control | |
ODB | OpenDocument database | OpenOffice.org Base |
ODF | OpenDocument formula | OpenOffice.org Math |
ODG | OpenDocument drawing | OpenOffice.org Draw |
ODIF | Open Document Interchange Format | |
ODL | Object Description Language | |
ODL | Type library source | Visual C++ |
ODM | OpenDocument master document | OpenOffice.org Writer |
ODP | OpenDocument presentation | OpenOffice.org Impress |
ODS | OpenDocument spreadsheet | OpenOffice.org Calc |
ODT | OpenDocument text document | OpenOffice.org Writer |
OFD | Form definition | ObjectView |
OFF | Object File Format vector graphics file | |
OFF | Object File Format vector graphics | |
OFM | PostScript font description file | |
OFN | Microsoft Office documents | Microsoft Office |
OGG | Ogg multimedia container format | |
OHB | Source | On Hand Basic |
OHS | Outbound History | Bink/+ |
OIF | QuickBase file format | |
OKT | Music (8 channels) | Oktalyzer |
OKT | Music format | Oktalyzer |
OLB | Object library | VAX |
OLD | Backup file | |
OLI | Text file | Olivetti |
OLSR | Configuration file | olsrd |
OMA | Audio file | Labelgate CD 2, MAGIQLIP2 |
OMG | Audio file | Sony compressed audio file (ATRAC3) |
OMF | Open Media Framework | Avid Media Composer |
OOF | Data | Outrage 3D Object Format (Descent) |
OOG | Data | WEBOOGL 3D object |
OOM | Swap file | Shroom |
OPJ | Origin Project File | Origin version 4.1 and later |
OPN | Active options | Exact |
OPT | Options | name used by many programs for configuration information |
OPT | Delphi project options | Borland Delphi |
OPT | Optimize support file | QEMM |
OPW | Organization chart | Org Plus for Windows |
OPX | Inactive options | Exact |
ORA | Parameter file | Oracle |
ORC | Orchestra MIDI file | CSound |
ORG | Calendar file | Lotus Organizer |
ORG | Older Origin Project | Origin versions 4 or earlier |
OTG | OpenDocument drawing template | OpenOffice.org Draw |
OTB | Over-the-air bitmap graphics | |
OTF | Subtitle font information for media content | Media players / software which support PGS subtitling |
OTH | OpenDocument HTML document template | OpenOffice.org |
OTL | Outline font description | Z-Soft Type Foundry |
OTL | Ventura Publisher's Type Foundry Outline Editor format | |
OTP | OpenDocument presentation template | OpenOffice.org Impress |
OTS | OpenDocument spreadsheet template | OpenOffice.org Math |
OTT | OpenDocument text document template | OpenOffice.org Writer |
OTX | Text file | Olivetti Olitext Plus |
OUT | Output file | |
OUT | Design II for Windows Output file | |
OV1 | Overlay file (part of program to be loaded when needed) | |
OV2 | Overlay file (part of program to be loaded when needed) | TomTom Point of Interest |
OVD | Datafile | ObjectVision |
OVL | Overlay file (part of program to be loaded when needed) | |
OVR | Overlay file (part of program to be loaded when needed) | |
OXT | OpenOffice.org extension | OpenOffice.org |
Read more about this topic: List Of File Formats (alphabetical)