How To Open File Extension


Sorted alphabetically: O


File extension The full name of the file
.O file extension Object
.O01 file extension Typhoon Voice
.O2C file extension Objects To See 3D File Format
.O3D file extension Google Open 3D Web Graphic Format
.O8D file extension OCTGN Deck
.O8G file extension OCTGN Game Definition
.O8O file extension Mediator 5 Repository Tabs Vorlagen.006
.O8S file extension OCTGN Set
.OA0 file extension B.O.U.T. Evolution Texture
.OA2 file extension Fujitsu OASYS 2 Document
.OA3 file extension OASYS 3 Document
.OAB file extension Microsoft Outlook Offline Address Book
.OAD file extension Suite Notaro Document
.OAF file extension ETH Oberon Applet
.OAM file extension Adobe Edge Overlay
.OAP file extension Samsung Bada Signed Installation Package
.OAR file extension HSQLDB Database
.OAS file extension Fujitsu OAS Document
.OAT file extension Google Android RunTime Code
.OAV file extension Microsoft Flight Simulator Texture
.OAW file extension OpenArchitectureWare Workflow
.OAZ file extension NetFax Manager OAZ Fax Image
.OB file extension IBM LinkWay Object
.OB! file extension Orbit Downloader Incomplete Download
.OB3 file extension ABF Software Outlook Backup Backup
.OB5 file extension TopLang OE Backup
.OBAK file extension WinSQL Offline Backup
.OBB file extension Google Android Opaque Binary Blob
.OBC file extension AICON 3D Scanner Photogrammetry
.OBD file extension Microsoft Office Binder Document
.OBF file extension OsmAnd Offline GPS Vector Maps
.OBG file extension ZBrush Mesh
.OBI file extension Microsoft Outlook 2007/2010/2013 RSS Subscription
.OBJ file extension Intel (Object Module Format) Relocatable Object Module
.OBJECTCACHE file extension Cache
.OBJX file extension Metatools Object Bryce Support
.OBK file extension OrCAD Capture Design Or Library
.OBL file extension TrueSpace
.OBML file extension Opera Mini Saved Web Page
.OBML15 file extension Opera Mini 5.1 Saved Web Page
.OBPACK file extension ObjectBar Theme Pack
.OBR file extension Borland C++ Object Browser Data
.OBS file extension WAsP Obstacle List
.OBT file extension Microsoft Office Binder Template
.OBV file extension 3D Photo Browser Thumbnail Cache
.OBW file extension Toontrack Superior Drummer Audio
.OBX file extension Rational XDE
.OBY file extension EPOC ROM Image
.OBYX file extension Obyx Control
.OBZ file extension Microsoft Office Binder Wizard
.OC9 file extension OrgCon Organization
.OCA file extension Visual Basic Control Typelib Cache
.OCAMLMAKEFILE file extension Caml Programming Language Makefile
.OCB file extension Origin Precompiled Origin C
.OCC file extension DB/TextWorks Terms And Words Database
.OCD file extension OCAD Digitized Map
.OCDC file extension Mathematica Document
.OCDF file extension OneClickDigital Mp3 Audio Book
.OCE file extension Open Catalog Extension Connection
.OCEN file extension EdGCM Data
.OCF file extension OM2 Cipher
.OCG file extension Osprey Custom Graph
.OCH file extension Satellite And Channel Settings Backup
.OCI file extension OpenCanvas Image
.OCM file extension Netscape Communicator Aim
.OCP file extension Advanced Art Studio Image
.OCR file extension FaxGrapper FAX Transcribed Text
.OCS file extension EDoc DigiSign Digitally Signed Document
.OCT file extension RADIANCE Octree Format
.OCV file extension OCV Training Data
.OCW file extension Oracle Configuration Watch Template
.OCX file extension ActiveX Control
.OC_ file extension Compressed ActiveX Control
.OD file extension Mascotte Mascopt Request
.OD1 file extension Omnis 5 Database
.OD2 file extension Omnis 5 Database
.OD3 file extension Omnis Studio Database
.OD4-9 file extension Omnis5 Database
.ODA file extension CALS Group IV Type 2 Raster Image
.ODB file extension ArcView Object Database ASCII
.ODC file extension OpenOffice.org OpenDocument
.ODCCUBEFILE file extension OpenDocument 1
.ODCNEWFILE file extension Microsoft Office Data Connection
.ODCTABLEFILE file extension Microsoft Office
.ODD file extension Coby Voice Recorder Format
.ODE file extension Microsoft Office
.ODEX file extension Google Android Optimized Executalbe
.ODF file extension Open Document Interchange Format (ODIF)
.ODG file extension OpenDocument Drawing
.ODH file extension Microsoft Visual Studio Interface Definition Language
.ODI file extension OpenOffice.org Image
.ODIF file extension Open Document Interchange Format
.ODL file extension Visual C++ ODL Type Library Source
.ODM file extension OpenOffice.org OpenDocument Global Text Document
.ODN file extension Fluke Power Analyze Database
.ODO file extension ICUBE Online Operating System Write Document
.ODP file extension OpenOffice.org OpenDocument Presentation
.ODR file extension HMI Builder Report
.ODS file extension OpenDocument Spreadsheet
.ODT file extension ODF Text Document
.ODT# file extension OpenOffice.org Locked Document
.ODTPC file extension Oracle User Productivity Kit Presentation
.ODTTF file extension Microsoft Office Document Embedded Font
.ODV file extension Ocean Data View Data
.ODVI file extension LaTeX
.ODX file extension Microsoft BizTalk Server Diagram
.ODZ file extension IBM OpenDoc Editor Package
.OD_ file extension Oracle Compressed Driver
.OEACCAOUNT file extension Windows Mail
.OEACCOUNT file extension Windows Mail Account Settings
.OEB file extension Outlook Express Backup Wizard
.OECL file extension Open EDA Component Library
.OEDB file extension Microsoft Email Database
.OEF file extension Optim Export
.OEM file extension OEM Install Data
.OEMIGACCOUNT file extension Outlook Express Temporary
.OER file extension AU OER TOOLS Project
.OET file extension ESignal Order Entry Ticket
.OEX file extension Opera Add-on
.OFA file extension Kodak OfotoNow
.OFB file extension Oxygen Forensic Suite Backup
.OFC file extension Open Financial Connectivity Format
.OFD file extension ObjectView Form Definition
.OFF file extension DEC 3D Object File Format
.OFFICEUI file extension Microsoft Office UI Customization
.OFFSETS file extension Offset
.OFL file extension OtsTurntables Playlist
.OFM file extension Adobe PostScript Font Description
.OFN file extension MS Office File New (Other Office Documents)
.OFP file extension Objecteering Project
.OFR file extension OptimFROG Encoded Audio
.OFS file extension OptimFROG Dualstream
.OFT file extension Microsoft Outlook Template
.OFX file extension Open Financial Exchange Format
.OG file extension Atari Jaguar GPU (TOM) Object Code
.OGA file extension Ogg Vorbis Audio Profile
.OGC file extension Organica Document File Format
.OGD file extension Oracle Forms Graph
.OGF file extension OnkoS Graphic
.OGF2 file extension MapViewGPS Map Coordinates
.OGG file extension Ogg Vorbis Audio
.OGL file extension ATI Overlay Source Code
.OGM file extension Ogg Vorbis Media
.OGNC file extension Dynamic Web Page
.OGO file extension Origin Graphic Object
.OGR file extension OGR C++ Open Source Library
.OGS file extension Origons Movie List
.OGV file extension Ogg Vorbis Video
.OGW file extension OriginLab Worksheet
.OGX file extension Microsoft C++ Component Gallery Exported Classes And Resources
.OGZ file extension Cube 2 Sauerbraten Map
.OH file extension DrillAssistant List
.OH4 file extension Overhoor List
.OHI file extension Openhelp
.OHP file extension MS-DOS 7
.OHS file extension Bink Outbound History
.OHW file extension Overhoor DrillAssistant List
.OID file extension HP ProCurve Manager Network Device
.OIF file extension QuickBase Web-sharable Database Interchange
.OIL file extension Open Image Library Format Image Format
.OIT file extension SleepScan And Ceegraph Offset Index
.OJ file extension Atari Jaguar DSP (JERRY) Object Module
.OJP file extension 3WayPack
.OK file extension QEDIT
.OKF file extension OKF Font File Format
.OKM file extension OkMap Map Defining
.OKOZO file extension Okozo Desktop Animation
.OKR file extension PowerRecover One Key Recovery
.OKS file extension OKScript
.OKT file extension Oktalyzer Music Module (MOD)
.OKX file extension OKScript
.OL file extension Valve Hammer Object Layout
.OLB file extension Microsoft Office OLE Object Library
.OLB2 file extension CanOpener Library
.OLD file extension Backup
.OLE file extension Microsoft Object Linking And Embedding
.OLE2 file extension Microsoft Office Binary Document Container Format
.OLF file extension OyezForms Legal Documents
.OLK file extension Microsoft Outlook Address Book
.OLK14CATEGORY file extension Microsoft Outlook 2011 For Mac Category
.OLK14CONTACT file extension Microsoft Outlook 2011 For Mac Contact
.OLK14DBHEADER file extension Microsoft Outlook 2011 For Mac Database
.OLK14FOLDER file extension Microsoft Outlook 2011 For Mac Folder
.OLK14MAILACCOUNT file extension Microsoft Outlook 2011 For Mac Mail Account Settings
.OLK14MESSAGE file extension Microsoft Outlook 2011 For Mac Message
.OLK14MSGATTACH file extension Microsoft Outlook 2011 For Mac Message Attachment
.OLK14MSGSOURCE file extension Microsoft Outlook 2011 For Mac Message Source
.OLK14PREF file extension Microsoft Outlook 2011 For Mac Preferences
.OLK14RECENT file extension Microsoft Outlook 2011 For Mac Recent Address
.OLK14RULE file extension Microsoft Outlook 2011 For Mac Rule
.OLK14SCHEDULE file extension Microsoft Outlook 2011 For Mac Schedule
.OLK14SEARCH file extension Microsoft Outlook 2011 For Mac Saved Search
.OLK14SIGNATURE file extension Microsoft Outlook 2011 For Mac Signature
.OLK14UID file extension Microsoft Outlook 2011 For Mac UID
.OLL file extension TrialDirector Load
.OLM file extension Microsoft Outlook For Mac Data
.OLN file extension Microsoft Visual C++ Outline Examples
.OLPROJ file extension Adobe OnLocation
.OLS file extension Microsoft Office List Shortcut
.OLT file extension Orbit Downloader Download List
.OLV file extension Roller Coaster Tycoon
.OLY file extension AFP Advanced Function Presentation Overlay Resource
.OMA file extension Sony OpenMG Music Format
.OMB file extension Omnibus Offline Web Storage
.OMC file extension Sony Music Store ATRAC3 Audio
.OMD file extension MapInfo Routing J Server Data
.OMEG file extension Mathematica For Mac
.OMF file extension OMF Operation, Management & Finance Database
.OMFI file extension Open Media Framework
.OMG file extension O&O DiskImage Backup
.OML file extension TracePro Model
.OMN file extension Omnipotent Collection
.OMO file extension OMake Object
.OMOD file extension Oblivion Mod Manager Mod
.OMP file extension OpenMind Project
.OMR file extension OMR Template
.OMS file extension Order Maven
.OMT file extension SITH HLA Object Model Template
.OMW file extension Omweso
.OMX file extension OtsAV Media Library Information
.OMZ file extension Market Data
.ON2 file extension On2 Encoded FLV
.OND file extension Lotus Notes
.ONE file extension Microsoft OneNote Document
.ONEBIN file extension OneNote
.ONECACHE file extension Microsoft OneNote Cache
.ONEPKG file extension Microsoft OneNote Package
.ONETMP file extension Microsoft OneNote Temporary
.ONETOC file extension Microsoft OneNote Table Of Contents
.ONETOC2 file extension Microsoft OneNote Table Of Contents
.ONLINERESOURCES file extension Online Resources
.ONM file extension Outdoor Navigator Map
.ONPF file extension Apple DocViewer
.ONT file extension TheWord Module
.ONTX file extension TheWord Encrypted Module
.ONW file extension Omron HMI NTST
.ONX file extension OnyxGrass Image
.OO3 file extension Omni Group Outliner 3
.OOB file extension Steel Panthers World At War
.OOG file extension PyGraph Python Graphics Interface Object Oriented Graphics
.OOGL file extension Geomview Object Oriented Graphics Library
.OOK file extension Arachne Batch Script
.OOM file extension Shroom Swap
.OOP file extension OOP Packer Archive
.OOPS file extension Oops
.OOS file extension OpenOffice.org Spreadsheet
.OOT file extension OpenOffice.org Text
.OP file extension ESignal OptionsPlus
.OP2 file extension Outpost 2 Saved Game
.OP4 file extension Nastran Output
.OPA file extension Psion OPL Object
.OPAL file extension Microsoft Office Customization Tool (OCT) Language-specific Settings
.OPAX file extension Microsoft Office Customization Tool (OCT) Standard Settings
.OPB file extension Bryce Object
.OPC file extension Microsoft Office 97 Upgrade Control
.OPD file extension Durango Interferometry Software Document
.OPDOWNLOAD file extension Opera Next Incomplete Download
.OPEF file extension OmniPass Encrypted Folder
.OPENBSD file extension OpenBSD Readme
.OPENTAG file extension OpenTag
.OPF file extension FlipAlbum Album
.OPG file extension Offline Plan Generation Package
.OPH file extension Clipboard
.OPI file extension Adlib OCR Processing Information
.OPJ file extension OrCAD Capture Project
.OPK file extension Sinking Island/LIle Noyée Game
.OPL file extension Psion OPL Language Source Code
.OPLC file extension Nokia Logo
.OPLM file extension Outline Processor Markup Language
.OPML file extension OPML Outline Processor Markup Language File Format
.OPN file extension Court Opinion
.OPO file extension Psion OPL Object
.OPP file extension IPhotoDVD
.OPPC file extension Space Marine Game Resource Package
.OPQ file extension Eschalon: Book I Game
.OPR file extension OPRO X Browser
.OPS file extension Microsoft Office Profile Settings
.OPT file extension Digital Line Graph Optional Vector Data
.OPTIONS file extension Eclipse IDE Trace Options
.OPTS file extension Linux Configuration Options
.OPUS file extension Opus Audio
.OPV file extension OpenPanorama Visit
.OPW file extension OrgPlus For Windows Organization Chart
.OPX file extension Microsoft Office Organization Chart File Format
.OPXT file extension OrpPlus Template
.OPY file extension OptiY Model
.OPZ file extension OPTech
.OP_ file extension GKSetup Support
.OQY file extension Microsoft Excel OLAP Query
.OR2 file extension Lotus Organizer 2
.OR3 file extension IBM Lotus Organizer 97
.OR4 file extension Lotus Organizer Data
.OR5 file extension IBM Lotus Organizer
.OR6 file extension Lotus Organizer Data
.OR8 file extension Rational Rose Oracle8 Database Model Report
.ORA file extension Oracle Database Parameter Configuration
.ORB file extension Evanidus Data
.ORC file extension Oracle 7 Script
.ORD file extension OMAX Routed Data File
.ORDEREDTEST file extension Microsoft Visual Studio Ordered Test
.ORE file extension Narbacular Drop Game Content
.ORF file extension Olympus Digital Camera Raw Image File
.ORG file extension SoundBlaster Pro Organ Files
.ORG2+ file extension Lotus Organizer
.ORI file extension Need For Speed - Hot Pursuit
.ORIG file extension Original
.ORIGINAL file extension Netobjects Fusion Components Bbscomp Message
.ORIGINAL_EPUB file extension EPUB Ebook Backup
.ORIGINAL_MOBI file extension MOBI Ebook Backup
.ORK file extension Warhammer Mark Of Chaos Game Archive
.ORL file extension Object-Relational Language
.ORMDESIGNER file extension ORM Designer Project
.ORP file extension WinSLAM
.ORQ file extension Online Certificate Status Protocol (OCSP) Request
.ORS file extension Online Certificate Status Protocol
.ORT file extension COREX Orthographic Transcriptions
.ORV file extension Oracom Video
.ORX file extension RadiantOne Virtual Directory Server Database Schema
.ORZ file extension Holic Game
.OS2 file extension Os2 System
.OS3 file extension OS/2 Warp 3
.OSA file extension W32/Sober-AD
.OSAS file extension Apple Script Library Tani Script
.OSAX file extension FindFile OSAX Mac File Type
.OSB file extension Sega Dreamcast Sounds
.OSBX file extension OneSafe Exported Backup
.OSC file extension Formula One 2001 Options
.OSCD file extension TouchOSC Interface Editor Template
.OSD file extension Open Software Description
.OSDX file extension Microsoft Windows Search Connector
.OSF file extension Descent 3 Sound
.OSG file extension OSGJS JSON Input
.OSI file extension Osiris Database
.OSK file extension Osu! Skin
.OSL file extension OckamSoft Log
.OSM file extension OpenStreetMap Data
.OSP file extension Crystal Semiconductor Driver Data
.OSR file extension Osu! Game Replay
.OSS file extension Microsoft Office Saved Search
.OST file extension Microsoft Outlook Inbox Off-line Folder
.OSU file extension Osu! Dialog
.OSW file extension ONESWING Contents
.OSX file extension Apple Mac OS PowerPC Executable
.OSZ file extension Osu! Beatmap
.OT file extension Atari Jaguar (TOM) Object Code
.OTA file extension OTA Bitmap
.OTB file extension Nokia OTA Bitmap
.OTC file extension OpenDocument Chart Template
.OTD file extension OpenIV Texture Data
.OTF file extension OpenType Font File Format
.OTG file extension OpenOffice.org Graphics Document Template
.OTH file extension Microsoft PowerToys Explorer Tool
.OTI file extension OpenDocument Image Template
.OTL file extension Super NoteTab Template
.OTLB file extension Microsoft OLE Type File For Mac
.OTLN file extension Opal Outline
.OTM file extension Microsoft Outlook Macro
.OTP file extension Origin Graphic Template
.OTR file extension IRIX Complied FTR
.OTRKEY file extension OTRKEY Encoded Video
.OTS file extension OpenOffice.org OpenDocument Spreadsheet Template
.OTT file extension OpenOffice.org Text Document Template
.OTV file extension Rotor-Disc OTV Kit OTV Calibration
.OTX file extension TheWord Encrypted Module
.OTZ file extension OpenLP Theme
.OUT file extension Output
.OUTLINE file extension FontTwister Letter Outline
.OUTLOOK97 file extension Microsoft Outlook Custom Mail
.OUX file extension Bibexcel
.OV file extension OpenInsight Database Overflow
.OV0 file extension Objective Voice E-mail For Windows
.OV1 file extension Overlay
.OV2 file extension Overlay
.OV3 file extension Overlay
.OV4 file extension Overlay
.OV5 file extension Overlay
.OVA file extension Open Virtual Machine Format
.OVB file extension OnkoS Vocabulary Backup
.OVD file extension ObjectVision Data
.OVE file extension Overture Music Score
.OVF file extension Open Virtualization Format Package
.OVG file extension ObjectVision Converted Graphic
.OVH file extension OMSI Bus Settings
.OVL file extension RollerCoaster Tycoon 3 Sprite
.OVM file extension BHV Tonstudio
.OVOLOG file extension OoVoo Log
.OVPN file extension OpenVPN Config
.OVR file extension Overlay
.OVS file extension Ovation 1 Style Sheet
.OVW file extension Cool Edit Pro Overview
.OVX file extension Psion Oval Control
.OW file extension Free Pascal For Windows Object
.OWC file extension OutWit Hub OutWit Catch Db Format
.OWD file extension OpenWire Project
.OWG file extension OutWit Hub OutWit Gear Outwit Thesaurus Db
.OWL file extension OWL (Obfuscated Weird Language) Source Code
.OWM file extension OutWit Hub OutWit Mashup XML Format
.OWR file extension PeopleSoft Results Archive
.OWS file extension Web Studio Project
.OWT file extension Ancestry.com OneWorldTree
.OX file extension Ox Object-oriented Matrix Programming Language
.OX2 file extension Orangutan X2 Firmware Update
.OXD file extension PS3 Proxy Server
.OXE file extension Pulsar/SCOPE Z.matrix
.OXF file extension IBM Rational Rhapsody
.OXM file extension Ogg Compressed Xm
.OXO file extension Ox Object-Oriented Matrix Programming Language
.OXPS file extension Windows 8 OpenXPS Document
.OXR file extension Virus Safe Web Driver
.OXT file extension OpenOffice.org Extension Help Format
.OYX file extension IBM Lotus Approach Alternate Database Index
.OYZ file extension Lotus Approach Alternate DBASE Index
.OZ file extension Opera Job Management Compressed
.OZD file extension Win32.TrojanDownloader.Agent.OZD Trojan
.OZF2 file extension OziExplorer Map
.OZFX3 file extension OziExplorer Image
.OZJ file extension Mu Online Graphic
.OZP file extension Sharp Organizer Telephone Bank
.OZT file extension Mu Online Texture