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Sorted alphabetically: O

#File extensionThe full name of the file
 
1 O File Extension Compiled Object Format
2 O01 File Extension Typhoon Voice
3 O2C File Extension Objects To See 3D
4 O8D File Extension OCTGN Deck
5 O8G File Extension OCTGN Game Definition
6 O8O File Extension Mediator 5 Repository Tabs Vorlagen.006
7 O8S File Extension OCTGN Set
8 OAB File Extension Offline Address Book
9 OAD File Extension Suite Notaro Document
10 OAF File Extension Microsoft Flight Simulator Texture
11 OAM File Extension Adobe Edge Animate Widget Format
12 OAP File Extension Samsung Bada Signed Installation Package
13 OAR File Extension OpenSimulator Archive
14 OAS File Extension Microsoft Outlook Attachment Sniffer
15 OAT File Extension Google Android RunTime Code
16 OAV File Extension Microsoft Flight Simulator Texture
17 OAW File Extension OpenArchitectureWare Workflow
18 OAZ File Extension NetFax Manager OAZ Fax Image
19 OB File Extension IBM LinkWay Object
20 OB! File Extension Orbit Downloader Incomplete Download
21 OB3 File Extension ABF Software Outlook Backup Backup
22 OB5 File Extension TopLang OE Backup
23 OBAK File Extension WinSQL Offline Backup
24 OBB File Extension Android Opaque Binary Blob Format
25 OBD File Extension Office Binder Document
26 OBF File Extension OsmAnd Offline GPS Vector Maps
27 OBG File Extension ZBrush Mesh
28 OBI File Extension Outlook RSS Subscription Format
29 OBJ File Extension Wavefront 3D Object Format
30 OBJX File Extension Metatools Object Bryce Support
31 OBK File Extension OrCAD Capture Design Or Library
32 OBL File Extension TrueSpace
33 OBML File Extension Opera Mini Saved Web Page
34 OBML15 File Extension Opera Mini 5.1 Saved Web Page
35 OBP File Extension Bryce Object Format
36 OBPACK File Extension ObjectBar Theme Pack
37 OBR File Extension Borland C++ Object Browser Data
38 OBS File Extension WAsP Obstacle List
39 OBT File Extension Openbox Theme Format
40 OBV File Extension 3D Photo Browser Thumbnail Cache
41 OBW File Extension Superior Drummer Sounds Format
42 OBX File Extension Rational XDE
43 OBYX File Extension Obyx Control
44 OBZ File Extension Compressed 3D Object Format
45 OC3 File Extension OpenCanvas 3 Event Format
46 OC4 File Extension OpenCanvas 4 Event Format
47 OC5 File Extension OpenCanvas 5 Event Format
48 OC9 File Extension OrgCon Organization
49 OCA File Extension Custom Control Library Type Format
50 OCAMLMAKEFILE File Extension Caml Programming Language Makefile
51 OCB File Extension Origin Precompiled Origin C
52 OCC File Extension Oceanic DataPool Format
53 OCD File Extension OCAD Map Format
54 OCDC File Extension Mathematica Document
55 OCDF File Extension OneClickDigital Mp3 Audio Book
56 OCE File Extension Open Catalog Extension Connection Format
57 OCEN File Extension EdGCM Data
58 OCF File Extension OM2 Cipher
59 OCG File Extension Osprey Custom Graph
60 OCI File Extension OpenCanvas Image
61 OCM File Extension Netscape Communicator Aim
62 OCP File Extension Advanced Art Studio Image
63 OCR File Extension FAXGrapper Fax Text Format
64 OCT File Extension Radiance Octree Format
65 OCTEST File Extension Xcode Objective-C Unit Test Bundle
66 OCV File Extension OCV Training Data
67 OCX File Extension ActiveX Control
68 OC_ File Extension Compressed ActiveX Control
69 OD File Extension Mascopt Graph Request Format
70 OD1 File Extension Omnis 5 Database
71 OD2 File Extension Omnis 5 Database
72 OD3 File Extension Omnis Studio Database
73 OD4-9 File Extension Omnis5 Database
74 OD5 File Extension Omnis 5 Database Format
75 ODB File Extension OpenDocument Database
76 ODC File Extension Office Data Connection Format
77 ODCCUBEFILE File Extension OpenDocument 1
78 ODCNEWFILE File Extension Microsoft Office Data Connection
79 ODCTABLEFILE File Extension Microsoft Office
80 ODE File Extension Microsoft Office
81 ODEX File Extension Google Android Optimized Executalbe
82 ODF File Extension OpenDocument Formula
83 ODG File Extension OpenDocument Graphic Format
84 ODH File Extension Microsoft Visual Studio Interface Definition Language
85 ODI File Extension OpenDocument Image
86 ODIF File Extension Open Document Interchange Format
87 ODL File Extension Object Description Language Format
88 ODM File Extension OverDrive Media Format
89 ODO File Extension Online Operating System Write Document
90 ODP File Extension OpenDocument Presentation
91 ODS File Extension OpenDocument Spreadsheet
92 ODT File Extension OpenDocument Text Document
93 ODT# File Extension OpenOffice.org Locked Document
94 ODTPC File Extension Oracle User Productivity Kit Presentation
95 ODTTF File Extension Microsoft Office Document Embedded Font
96 ODV File Extension Ocean Data View Data
97 ODVI File Extension LaTeX
98 ODX File Extension BizTalk Server Orchestration Format
99 OD_ File Extension Oracle Compressed Driver
100 OEACCAOUNT File Extension Windows Mail
101 OEACCOUNT File Extension Windows Mail Account Format
102 OEB File Extension Outlook Express Backup Wizard Format
103 OECL File Extension Open EDA Component Library
104 OEF File Extension Optim Export
105 OEM File Extension OEM Setup Format
106 OEMIGACCOUNT File Extension Outlook Express Temporary
107 OET File Extension ESignal Order Entry Ticket
108 OEX File Extension Opera Extension
109 OFA File Extension Kodak OfotoNow
110 OFB File Extension Oxygen Forensic Suite Backup
111 OFC File Extension Open Financial Connectivity Format
112 OFD File Extension ObjectView Form Definition
113 OFF File Extension Object Format Format
114 OFFICEUI File Extension Microsoft Office UI Customization
115 OFFSETS File Extension Offset
116 OFL File Extension Ots Format List
117 OFM File Extension Melco Embroidery Format
118 OFN File Extension MS Office Format New (Other Office Documents)
119 OFP File Extension Objecteering Project
120 OFR File Extension OptimFROG Audio Format
121 OFS File Extension OptimFROG Dualstream
122 OFT File Extension Outlook Format Template
123 OFX File Extension Open Financial Exchange Format
124 OGA File Extension Ogg Vorbis Audio Format
125 OGD File Extension Oracle Forms Graph
126 OGF File Extension S.T.A.L.K.E.R. Model Format
127 OGG File Extension Ogg Vorbis Audio Format
128 OGL File Extension ATI Overlay Source Code
129 OGM File Extension Ogg Media Format
130 OGNC File Extension Dynamic Web Page
131 OGO File Extension Origin Graphic Object
132 OGR File Extension OGR C++ Open Source Library
133 OGS File Extension Origons Movie Data Format
134 OGV File Extension Ogg Video Format
135 OGW File Extension OriginLab Worksheet
136 OGX File Extension Ogg Vorbis Multiplexed Media Format
137 OGZ File Extension Cube 2 Map Format
138 OH File Extension DrillAssistant List
139 OH4 File Extension Overhoor List
140 OHP File Extension MS-DOS 7
141 OHS File Extension Bink Outbound History
142 OHW File Extension Overhoor DrillAssistant List
143 OIF File Extension QuickBase Web-sharable Database Interchange
144 OIL File Extension Open Image Library Format Image Format
145 OJP File Extension 3WayPack
146 OK File Extension Qedit
147 OKM File Extension OkMap Map Defining
148 OKOZO File Extension Okozo Desktop Animation
149 OKR File Extension PowerRecover One Key Recovery
150 OKS File Extension OKScript
151 OKT File Extension Oktalyzer Module
152 OKX File Extension OKScript
153 OL File Extension Valve Hammer Object Layout
154 OLA File Extension Online Access Format
155 OLB File Extension OLE Object Library
156 OLB2 File Extension CanOpener Library
157 OLD File Extension Backup Format
158 OLE File Extension Microsoft Object Linking And Embedding
159 OLE2 File Extension Microsoft Office Binary Document Container Format
160 OLF File Extension OyezForms Legal Documents
161 OLK File Extension Outlook Address Book Format
162 OLK14CATEGORY File Extension Outlook Category Format
163 OLK14CONTACT File Extension Outlook Contact Format
164 OLK14DBHEADER File Extension Microsoft Outlook 2011 For Mac Database
165 OLK14EVENT File Extension Outlook Calendar Event Format
166 OLK14EXACCOUNT File Extension Microsoft Outlook 2011 For Mac Data Format
167 OLK14FOLDER File Extension Microsoft Outlook 2011 For Mac Folder
168 OLK14GROUP File Extension Outlook Group Format
169 OLK14MAILACCOUNT File Extension Outlook Mail Account Format
170 OLK14MESSAGE File Extension Outlook Message Format
171 OLK14MSGATTACH File Extension Microsoft Outlook 2011 For Mac Message Attachment
172 OLK14MSGSOURCE File Extension Outlook Email Message Data Format
173 OLK14NOTE File Extension Outlook Note Format
174 OLK14PREF File Extension Outlook Preferences Format
175 OLK14RECENT File Extension Microsoft Outlook 2011 For Mac Recent Address
176 OLK14RULE File Extension Microsoft Outlook 2011 For Mac Rule
177 OLK14SCHEDULE File Extension Microsoft Outlook 2011 For Mac Schedule
178 OLK14SEARCH File Extension Microsoft Outlook 2011 For Mac Saved Search
179 OLK14SIGNATURE File Extension Outlook Signature Format
180 OLK14TASK File Extension Outlook Task Format
181 OLK14UID File Extension Microsoft Outlook 2011 For Mac UID
182 OLL File Extension TrialDirector Load
183 OLM File Extension Mac Outlook Database Format
184 OLN File Extension Microsoft Visual C++ Outline Examples
185 OLPROJ File Extension Adobe OnLocation
186 OLS File Extension Microsoft Office List Shortcut
187 OLT File Extension Orbit Downloads List
188 OLV File Extension Roller Coaster Tycoon
189 OLY File Extension AFP Advanced Function Presentation Overlay Resource
190 OMA File Extension Sony OpenMG Music Format
191 OMC File Extension Origin Customized Menu
192 OMCS File Extension Office Manager Access Format
193 OMD File Extension MapInfo Routing J Server Data
194 OMEG File Extension Mathematica For Mac
195 OMF File Extension Open Media Framework Format
196 OMFI File Extension Open Media Framework
197 OMG File Extension O&O DiskImage Backup Format
198 OML File Extension TracePro Model
199 OMN File Extension Omnipotent Collection
200 OMO File Extension OMake Object Format
201 OMOD File Extension Oblivion Mod Archive
202 OMP File Extension Office Manager Document Archive
203 OMR File Extension OMR Template
204 OMS File Extension Order Maven
205 OMT File Extension SITH HLA Object Model Template
206 OMU File Extension XWE Data Format
207 OMX File Extension OtsAV Media Library Information Format
208 ON2 File Extension On2 Encoded FLV
209 OND File Extension Lotus Notes Encapsulated Memo Format
210 ONE File Extension OneNote Document
211 ONECACHE File Extension Microsoft OneNote Cache
212 ONEPKG File Extension Microsoft OneNote Package Format
213 ONETMP File Extension Microsoft OneNote Temporary
214 ONETOC File Extension Microsoft OneNote Table Of Contents
215 ONETOC2 File Extension Microsoft OneNote Table Of Contents Format
216 ONM File Extension Outdoor Navigator Map
217 ONT File Extension TheWord Bible Text Module
218 ONTX File Extension TheWord Encrypted Bible Text Module
219 ONW File Extension Omron HMI NTST
220 ONX File Extension OnyxGrass Image
221 OO3 File Extension OmniOutliner 3 Format
222 OOG File Extension PyGraph Python Graphics Interface Object Oriented Graphics
223 OOGL File Extension Geomview Object Oriented Graphics Library
224 OOK File Extension Arachne Batch Script
225 OOS File Extension OpenOffice.org Spreadsheet
226 OOT File Extension OpenOffice.org Text
227 OP File Extension ESignal OptionsPlus
228 OP2 File Extension Outpost 2 Saved Game
229 OP4 File Extension Nastran Output
230 OPA File Extension Fly! RAW Image Opacity Map
231 OPAL File Extension Microsoft Office Customization Tool (OCT) Language-specific Settings
232 OPAX File Extension Microsoft Office Customization Tool (OCT) Standard Settings
233 OPB File Extension Bryce Object
234 OPC File Extension Microsoft Office 97 Upgrade Control
235 OPD File Extension Durango Interferometry Software Document Format
236 OPDOWNLOAD File Extension Opera Partially Downloaded Format
237 OPEF File Extension OmniPass Encrypted Folder
238 OPENBSD File Extension OpenBSD Readme Format
239 OPF File Extension Open Packaging Format Format
240 OPG File Extension Offline Plan Generation Package
241 OPI File Extension Adlib OCR Processing Information
242 OPJ File Extension OrCAD Project Format
243 OPK File Extension Sinking Island/LIle Noyée Game
244 OPLC File Extension Nokia Operator Logo Format
245 OPLM File Extension Outline Processor Markup Language
246 OPML File Extension Outline Processor Markup Language Format
247 OPN File Extension Court Opinion
248 OPP File Extension IPhotoDVD
249 OPPC File Extension Space Marine Game Resource Package
250 OPQ File Extension Eschalon: Book I Game
251 OPR File Extension OPRO X Browser
252 OPS File Extension Office Profile Settings Format
253 OPT File Extension MySQL Database Data Format
254 OPTIONS File Extension SE-SOFT Configuration Format
255 OPTS File Extension Linux Configuration Options Format
256 OPUS File Extension Opus Audio Format
257 OPW File Extension OrgPlus For Windows Organization Chart
258 OPX File Extension OrgPlus Org Chart
259 OPXT File Extension OrpPlus Template
260 OPY File Extension OptiY Model
261 OP_ File Extension GKSetup Support
262 OQY File Extension Excel OLAP Query Format
263 OR2 File Extension Lotus Organizer 2 Format
264 OR3 File Extension IBM Lotus Organizer 97 Format
265 OR4 File Extension IBM Lotus Organizer 97 GS Format
266 OR5 File Extension Lotus Organizer 5 Format
267 OR6 File Extension Lotus Organizer 6 Format
268 OR8 File Extension Rational Rose Oracle8 Database Model Report
269 ORA File Extension Oracle Database Configuration Format
270 ORB File Extension Original EBook Reader Ebook
271 ORC File Extension CSound Orchestra Midi Format
272 ORDEREDTEST File Extension Visual Studio Ordered Test Format
273 ORE File Extension Ore Executable Format
274 ORF File Extension Olympus RAW Format
275 ORG File Extension Lotus Organizer Format
276 ORG2+ File Extension Lotus Organizer
277 ORI File Extension Original Format
278 ORIG File Extension Original Format
279 ORIGINAL File Extension Netobjects Fusion Components Bbscomp Message
280 ORIGINAL_EPUB File Extension EPUB Ebook Backup
281 ORIGINAL_MOBI File Extension MOBI Ebook Backup
282 ORK File Extension Warhammer Mark Of Chaos Game Archive
283 ORL File Extension Object-Relational Language
284 ORMDESIGNER File Extension ORM Designer Project
285 ORS File Extension DSP Group TrueSpeech Audio Format
286 ORT File Extension COREX Orthographic Transcriptions Format
287 ORV File Extension Oracom Video Format
288 ORX File Extension RadiantOne VDS Database Schema
289 ORZ File Extension Holic Game
290 OS File Extension ObjectScript Source Format
291 OS2 File Extension Os2 System
292 OS3 File Extension OS/2 Warp 3
293 OSA File Extension W32/Sober-AD
294 OSAS File Extension Apple Script Library Tani Script
295 OSAX File Extension FindFile OSAX Mac Format Type
296 OSB File Extension OpenStreetMap Binary Map Format
297 OSBX File Extension OneSafe Exported Backup
298 OSC File Extension Remote Installation Services Client Installation Wizard Format
299 OSCD File Extension TouchOSC Interface Editor Template
300 OSD File Extension Open Software Description
301 OSDX File Extension Search Connector Description Format
302 OSF File Extension Descent 3 Sound
303 OSG File Extension OSGJS JSON Input
304 OSK File Extension Osu! Skin Format
305 OSL File Extension OckamSoft Log
306 OSM File Extension OpenStreetMap Map Format
307 OSN File Extension Open Symbolic Notation Data Format
308 OSP File Extension OpenShot Project Format
309 OSR File Extension Osu! Replay Format
310 OSS File Extension Microsoft Outlook Saved Search Format
311 OST File Extension Outlook Offline Folder Format
312 OSU File Extension Osu! Script
313 OSW File Extension ONESWING Contents
314 OSX File Extension PowerPC Executable Format
315 OSZ File Extension Osu! Beatmap Format
316 OT File Extension TheWord Old Testament Text Module
317 OTA File Extension OTA Bitmap Image
318 OTB File Extension Nokia Over The Air Bitmap Image
319 OTC File Extension OpenDocument Chart Template
320 OTD File Extension OpenIV Texture Data
321 OTF File Extension OpenType Font
322 OTG File Extension OpenDocument Graphic Template
323 OTH File Extension OpenDocument HTML Template
324 OTI File Extension OpenDocument Image Template
325 OTL File Extension NoteTab Outline Format
326 OTLN File Extension Opal Outline Format
327 OTM File Extension Outlook Macro Format
328 OTP File Extension OpenDocument Presentation Template
329 OTR File Extension IRIX Complied FTR
330 OTRKEY File Extension OnlineTvRecorder Encoded Video Format
331 OTS File Extension OpenDocument Spreadsheet Template
332 OTT File Extension OpenDocument Document Template
333 OTV File Extension Rotor-Disc OTV Kit OTV Calibration
334 OTX File Extension TheWord Encrypted Old Testament Text Module
335 OTZ File Extension OpenLP Theme Format
336 OUT File Extension Output Format
337 OUTLINE File Extension FontTwister Letter Outline
338 OUTLOOK97 File Extension Microsoft Outlook Custom Mail
339 OUV File Extension Sphinx Open Ended Responses Format
340 OUX File Extension Bibexcel
341 OV File Extension OpenInsight Database Overflow
342 OV1 File Extension Overlay
343 OV2 File Extension TomTom Points Of Interest Database
344 OV3 File Extension Overlay
345 OV4 File Extension Overlay
346 OV5 File Extension Overlay
347 OVA File Extension Open Virtual Appliance
348 OVD File Extension ObjectVision Data
349 OVE File Extension Overture Musical Score
350 OVF File Extension Open Virtualization Format
351 OVG File Extension ObjectVision Converted Graphic
352 OVH File Extension OMSI Bus Settings
353 OVL File Extension Rollercoaster Tycoon 3 Data Format
354 OVOLOG File Extension OoVoo Log
355 OVP File Extension The Overlay Maker Package Format
356 OVPN File Extension OpenVPN Configuration Format
357 OVR File Extension The Overlay Maker Overlay Format
358 OVS File Extension Ovation 1 Style Sheet
359 OVW File Extension Logic Pro Overview Format
360 OW File Extension Free Pascal 1.0.x Object Format
361 OWC File Extension OutWit Catch Database
362 OWG File Extension OutWit Gear Database
363 OWL File Extension OWL Source Code Format
364 OWM File Extension OutWit XML Mashup Format
365 OWR File Extension PeopleSoft Results Archive
366 OWS File Extension Web Studio Project
367 OWT File Extension Ancestry.com OneWorldTree
368 OX File Extension Ox Object-Oriented Matrix Programming Language
369 OXD File Extension PS3 Proxy Server
370 OXF File Extension IBM Rational Rhapsody
371 OXO File Extension Ox Object-Oriented Matrix Programming Language
372 OXPS File Extension OpenXPS Format
373 OXT File Extension Apache OpenOffice Extension
374 OXYGENE File Extension Oxygene Project Format
375 OYX File Extension Approach Alternate Database Index
376 OYZ File Extension Lotus Approach Alternate DBASE Index
377 OZ File Extension Opera Job Management Compressed Format
378 OZF2 File Extension OziExplorer Map
379 OZFX3 File Extension OziExplorer Image
380 OZJ File Extension Mu Online Graphic
381 OZP File Extension Orgadata LogiKal
382 OZT File Extension Mu Online Texture
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GDOC

Google Drive Document

File with GDOC extension contains information about Google Docs document. It stores following information: URL to related file stored in the clo...

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