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O FILE EXTENSIONS
Listing of file extensions starting with the letter O
.O
-
Object file
.O$$
-
Outfile
.O01
-
Typhoon Voice File
.O2C
-
AMglossar images file
.O3DTGZ
-
O3D TGZ GZipped File
.O7$3
-
Omnis
.O8O
-
Mediator5 Repositorytabs Vorlagen.006 file
.OAB
-
MS Outlook Address Book
.OAS
-
Word processor document
.OAZ
-
NetFax Manager Fax File
.OB
-
Object cut/paste file
.OB!
-
Orbit Downloader Incomplete Download
.OB$
-
Microsoft Compressed Object
.OBD
-
Binder template
.OBD
-
Binder
.OBE
-
System Dll Oobe file
.OBI
-
Outlook RSS Subscription File
.OBJ
-
Relocatable Object Code
.OBJ
-
Lightwave 3D Object
.OBJ_
-
Object File
.OBK
-
OrCAD Capture Design/Library
.OBR
-
Object browser data file
.OBS
-
Script
.OBT
-
MS Office Binder Template
.OBV
-
Visual interface
.OBY
-
EPOC : ROM image
.OBZ
-
Binder Wizard
.OCA
-
OLE Custom Control Library Information
.OCA
-
Visual Basic control typelib cache
.OCDC
-
Mathematica Document
.OCF
-
Object craft file
.OCM
-
Netscape Communicator Aim file
.OCP
-
Advanced Art Studio image format
.OCR
-
FAXGrapper Fax-to-Text File
.OCT
-
Musical file (Octalizer)
.OCX
-
Microsoft Object Linking and Embedding Custom Cont
.OC_
-
Doko Compressed Install File
.OD1
-
Omnis5 Database File
.OD2
-
Omnis5 Database File
.OD3
-
Omnis5 Database File
.OD4-9
-
Omnis5 Database File
.ODA
-
Raster image (CALS Group IV Type 2)
.ODA
-
ODA document
.ODA
-
Used with OCX
.ODB
-
ArcView : Object Database ASCII file (ODB format)
.ODC
-
OpenOffice/StarOffice OpenDocument Chart
.ODC
-
Office Data Connection
.ODE
-
Microsoft Office file
.ODF
-
Open Document Interchange Format (ODIF)
.ODG
-
OpenDocument Drawing
.ODH
-
Object Definition Head
.ODI
-
OpenDocument Image
.ODIF
-
Open Document Interchange Format
.ODL
-
Type library source
.ODM
-
OverDrive Media File
.ODM
-
OpenDocument Master Document
.ODP
-
OpenDocument Presentation
.ODS
-
Outlook Express Mailbox file
.ODT
-
OpenOffice/StarOffice OpenDocument (V.2) Text Doc
.ODT
-
Virtual Reality Explorer Kit Object File Format
.ODVI
-
LaTeX Filea Documentactex
.ODX
-
BizTalk Server Orchestration File
.OD_
-
Oracle driver, .DLL compressed
.OEACCOUNT
-
Windows Media Account
.OEB
-
Outlook Express Backup Wizard File
.OECL
-
Microsoft Database Cache
.OEDB
-
Microsoft Email Databas
.OEM
-
Sb_awe keys Sb_nt file
.OF
-
Audio Utility Tuningwrench compressed file
.OFC
-
Open Financial Connectivity File
.OFD
-
Form definition
.OFF
-
Object File
.OFL
-
OtsAV PlayList File
.OFM
-
PostScript Font Description
.OFM
-
Embroidery Design File
.OFN
-
FileNew file
.OFT
-
Outlook Template
.OFX
-
Olicom Fax Image Format
.OGA
-
Ogg Vorbis Audio
.OGC
-
Organica doc
.OGG
-
Ogg Vorbis Codec Compressed WAV File
.OGL
-
Objective Grid Layout
.OGL
-
Overlay source code
.OGLE
-
Picture Viewer
.OGM
-
Ogg Vorbis Compressed Video File
.OGM
-
Origin Matrix File
.OGNC
-
Dynamic Web Page
.OGS
-
Origin LabTalk Script File
.OGV
-
Ogg Vorbis Video
.OGX
-
OGG Vorbis Multiplexed Media File
.OHP
-
Dos7 file
.OHS
-
Outbound History (Bink/+)
.OID
-
Object Interaction Diagram (Prosa/OM)
.OIF
-
QuickBase Web-sharable Database Interchange File
.OIL
-
Open Image Library Format image format
.OJP
-
3WayPack File
.OK
-
QEDIT file
.OKR
-
Feldeinteilung module file
.OKT
-
Music module
.OLA
-
Online Access File
.OLB
-
Object Library
.OLB2
-
CanOpener Library
.OLD
-
Backup File (Generic)
.OLE
-
Object Linking and Embedding
.OLG1
-
Lynx
.OLI
-
Text file
.OLK
-
Microsoft Mail Mailbag Lock
.OLN
-
MS Visual C++ Outline examples
.OLT
-
MS Visual C++ Outline examples
.OLTB
-
OLE Types
.OL_
-
green_line file
.OMA
-
Sony OpenMG Music File
.OMC
-
Atrac3
.OMCS
-
Office Manager Access File
.OMD
-
Class model (Prosa/OM)
.OMEG
-
Mathematica
.OMF
-
Avid video editor interchange data
.OMG
-
OpenMG Audio File
.OMO
-
OMake Object File
.OMP
-
Office Manager Document Archive
.OMX
-
OtsAV Media Library Information File
.OMX
-
OtsTurntables Audio Detail File
.ON
-
Audio Utility Tuningwrench compressed file
.OND
-
Lotus Notes Memo File
.ONE
-
OneNote Document
.ONEPKG
-
Data File
.ONG
-
Onglet
.ONLN
-
Apple DocViewer File
.ONPF
-
Apple DocViewer Prefs
.ONX
-
Onyx Graphics Postershop File
.OO1
-
Voice file
.OO3
-
OmniOutliner 3 File
.OOGL
-
Object Oriented Graphics Library
.OOM
-
Swap file
.OP
-
Rescue Disk file
.OP2
-
Musplay 1.72 file
.OPA
-
Psion OPL object file
.OPC
-
Office Upgrade Control File
.OPD
-
OmniPage Document
.OPENBSD
-
OpenBSD Readme File
.OPENGL
-
OpenGL Web site
.OPENTAG
-
OpenTag
.OPF
-
FlipViewer FlipBook File
.OPF
-
Open eBook File
.OPJ
-
Project file
.OPL
-
Organiser Programming Language source file
.OPML
-
Outline Processor Markup Language (OPML) File
.OPN
-
Active options
.OPN
-
FileOPEN Document Rights Management File
.OPO
-
Output executable file
.OPS
-
Microsoft Office Profile Settings File
.OPT
-
Optimize support file
.OPT
-
Developer Studio file
.OPW
-
Organization chart
.OPX
-
Office Organisation Chart
.OP_
-
GKSetup support file
.OQY
-
MS Excel OLAP Query File
.OR2
-
IBM Lotus Organizer (v2) File
.OR3
-
IBM Lotus Organizer (v3) File
.OR4
-
IBM Lotus Organizer (v4) File
.OR5
-
IBM Lotus Organizer (v5) File
.OR6
-
IBM Lotus Organizer (v6) File
.OR8
-
Rational Rose Oracle8 database model report
.ORA
-
Configuration file
.ORA
-
MyPaint Open Raster Drawing File
.ORA
-
Parameter file
.ORC
-
Script
.ORD
-
Bc45 Owl file
.ORE
-
3WayPack File
.ORF
-
A RAW Image File
.ORG
-
Lotus Organiser File
.ORG2+
-
Lotus Organiser File
.ORI
-
Original File
.ORIG
-
Gen original file
.ORIGINAL
-
Netobjects fusion Components Bbscomp message file
.ORO
-
3WayPack File
.ORT
-
Rich Text Editor Document
.ORX
-
RadiantOne VDS Database Schema
.OS2
-
Os2 System file
.OS3
-
Os2 Warp3 file
.OSAS
-
AppleScriptibrarytanlscpt
.OSAX
-
Scripting Additionanlosax
.OSC
-
Fruitypro Samples Ss_effects file
.OSD
-
driver file
.OSF
-
Dist Bin file
.OSP
-
CWCDATA file
.OSP
-
Open Stages Scenery File
.OSS
-
Search file
.OST
-
Microsoft Exchange/Outlook Offline File
.OSZ
-
OSU Beatmap File (Zipped)
.OTA
-
OTA Bitmap
.OTAN
-
Open Transport
.OTB
-
Nokia Over The Air Bitmap
.OTC
-
OpenDocument Chart Template
.OTF
-
OnkoS Text Data File
.OTF
-
OpenType Font Format
.OTF
-
OpenOffice/StarOffice OpenDocument Formula Template
.OTG
-
OpenDocument Graphic Template
.OTGL
-
Open Transport Prefs File
.OTH
-
MS Power Toys Explorer tool
.OTI
-
OpenDocument Image Template
.OTL
-
Template file
.OTL
-
Outline font description
.OTLB
-
Microsoft OLE Type File
.OTLN
-
Opal Outline File
.OTNC
-
Open Transport Prefs File
.OTP
-
Origin File(of originlab)
.OTS
-
OtsAV Album File
.OTS
-
OpenDocument Spreadsheet Template
.OTSL
-
Open Transport Library
.OTT
-
OpenDocument Text Document Template
.OTX
-
Text file
.OUT
-
Output file
.OUTLOOK97
-
Outlook97 mail format for custom mail
.OV
-
Database file
.OV0
-
Objective Voice E-mail for windows
.OV1
-
Overlay file
.OV2
-
Overlay file
.OVA
-
Octava Musical Score
.OVD
-
Datafile
.OVE
-
Cakewalk Overture Score
.OVF
-
Object Vision
.OVF
-
Open Virtualization File
.OVG
-
ObjectVision converted graphic file
.OVL
-
Motorola Radio Programming File
.OVL
-
Overlay file
.OVM
-
Bhv Tonstudio Platin file
.OVR
-
Overlay file
.OVW
-
Cubase WAVE File Overview
.OWL
-
Bc45 Owl file
.OWS
-
Oxford dictionary (oxford university press)
.OXR
-
Virus Safe Web Driver
.OXT
-
OpenOffice.org Extension
.OXT
-
Audio mod OXX
.OYX
-
Approach Alternate Database Index
.OYZ
-
Lotus Approach alternate dBASE index
.OZM
-
Sharp Organizer memo bank
.OZP
-
Sharp Organizer Telephone Bank
238
O File Extensions Found
Categories
3D/CAD Files
Audio Files
Backup Files
Compressed Files
Configuration Files
Data Files
Database Files
Developer Files
Disk Image Files
Encrypted Files
Executable Files
Font Files
Game Files
Image Files
Miscellaneous Files
Plugin Files
System Files
Text Files
Video Files
Web Files
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