Category

Sorted alphabetically: O

id File extension File name
0 .O file extension Object
1 .O01 file extension Typhoon Voice
2 .O2C file extension Objects To See 3D File Format
3 .O3D file extension Google Open 3D Web Graphic Format
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 .OA0 file extension B.O.U.T. Evolution Texture
9 .OA2 file extension Fujitsu OASYS 2 Document
10 .OA3 file extension OASYS 3 Document
11 .OAB file extension Microsoft Outlook Offline Address Book
12 .OAD file extension Suite Notaro Document
13 .OAF file extension ETH Oberon Applet
14 .OAM file extension Adobe Edge Overlay
15 .OAP file extension Samsung Bada Signed Installation Package
16 .OAR file extension HSQLDB Database
17 .OAS file extension Fujitsu OAS Document
18 .OAT file extension Google Android RunTime Code
19 .OAV file extension Microsoft Flight Simulator Texture
20 .OAW file extension OpenArchitectureWare Workflow
21 .OAZ file extension NetFax Manager OAZ Fax Image
22 .OB file extension IBM LinkWay Object
23 .OB! file extension Orbit Downloader Incomplete Download
24 .OB3 file extension ABF Software Outlook Backup Backup
25 .OB5 file extension TopLang OE Backup
26 .OBAK file extension WinSQL Offline Backup
27 .OBB file extension Google Android Opaque Binary Blob
28 .OBC file extension AICON 3D Scanner Photogrammetry
29 .OBD file extension Microsoft Office Binder Document
30 .OBF file extension OsmAnd Offline GPS Vector Maps
31 .OBG file extension ZBrush Mesh
32 .OBI file extension Microsoft Outlook 2007/2010/2013 RSS Subscription
33 .OBJ file extension Intel (Object Module Format) Relocatable Object Module
34 .OBJECTCACHE file extension Cache
35 .OBJX file extension Metatools Object Bryce Support
36 .OBK file extension OrCAD Capture Design Or Library
37 .OBL file extension TrueSpace
38 .OBML file extension Opera Mini Saved Web Page
39 .OBML15 file extension Opera Mini 5.1 Saved Web Page
40 .OBPACK file extension ObjectBar Theme Pack
41 .OBR file extension Borland C++ Object Browser Data
42 .OBS file extension WAsP Obstacle List
43 .OBT file extension Microsoft Office Binder Template
44 .OBV file extension 3D Photo Browser Thumbnail Cache
45 .OBW file extension Toontrack Superior Drummer Audio
46 .OBX file extension Rational XDE
47 .OBY file extension EPOC ROM Image
48 .OBYX file extension Obyx Control
49 .OBZ file extension Microsoft Office Binder Wizard
50 .OC9 file extension OrgCon Organization
51 .OCA file extension Visual Basic Control Typelib Cache
52 .OCAMLMAKEFILE file extension Caml Programming Language Makefile
53 .OCB file extension Origin Precompiled Origin C
54 .OCC file extension DB/TextWorks Terms And Words Database
55 .OCD file extension OCAD Digitized Map
56 .OCDC file extension Mathematica Document
57 .OCDF file extension OneClickDigital Mp3 Audio Book
58 .OCE file extension Open Catalog Extension Connection
59 .OCEN file extension EdGCM Data
60 .OCF file extension OM2 Cipher
61 .OCG file extension Osprey Custom Graph
62 .OCH file extension Satellite And Channel Settings Backup
63 .OCI file extension OpenCanvas Image
64 .OCM file extension Netscape Communicator Aim
65 .OCP file extension Advanced Art Studio Image
66 .OCR file extension FaxGrapper FAX Transcribed Text
67 .OCS file extension EDoc DigiSign Digitally Signed Document
68 .OCT file extension RADIANCE Octree Format
69 .OCV file extension OCV Training Data
70 .OCW file extension Oracle Configuration Watch Template
71 .OCX file extension ActiveX Control
72 .OC_ file extension Compressed ActiveX Control
73 .OD file extension Mascotte Mascopt Request
74 .OD1 file extension Omnis 5 Database
75 .OD2 file extension Omnis 5 Database
76 .OD3 file extension Omnis Studio Database
77 .OD4-9 file extension Omnis5 Database
78 .ODA file extension CALS Group IV Type 2 Raster Image
79 .ODB file extension ArcView Object Database ASCII
80 .ODC file extension OpenOffice.org OpenDocument
81 .ODCCUBEFILE file extension OpenDocument 1
82 .ODCNEWFILE file extension Microsoft Office Data Connection
83 .ODCTABLEFILE file extension Microsoft Office
84 .ODD file extension Coby Voice Recorder Format
85 .ODE file extension Microsoft Office
86 .ODEX file extension Google Android Optimized Executalbe
87 .ODF file extension Open Document Interchange Format (ODIF)
88 .ODG file extension OpenDocument Drawing
89 .ODH file extension Microsoft Visual Studio Interface Definition Language
90 .ODI file extension OpenOffice.org Image
91 .ODIF file extension Open Document Interchange Format
92 .ODL file extension Visual C++ ODL Type Library Source
93 .ODM file extension OpenOffice.org OpenDocument Global Text Document
94 .ODN file extension Fluke Power Analyze Database
95 .ODO file extension ICUBE Online Operating System Write Document
96 .ODP file extension OpenOffice.org OpenDocument Presentation
97 .ODR file extension HMI Builder Report
98 .ODS file extension OpenDocument Spreadsheet
99 .ODT file extension ODF Text Document
100 .ODT# file extension OpenOffice.org Locked Document
101 .ODTPC file extension Oracle User Productivity Kit Presentation
102 .ODTTF file extension Microsoft Office Document Embedded Font
103 .ODV file extension Ocean Data View Data
104 .ODVI file extension LaTeX
105 .ODX file extension Microsoft BizTalk Server Diagram
106 .ODZ file extension IBM OpenDoc Editor Package
107 .OD_ file extension Oracle Compressed Driver
108 .OEACCAOUNT file extension Windows Mail
109 .OEACCOUNT file extension Windows Mail Account Settings
110 .OEB file extension Outlook Express Backup Wizard
111 .OECL file extension Open EDA Component Library
112 .OEDB file extension Microsoft Email Database
113 .OEF file extension Optim Export
114 .OEM file extension OEM Install Data
115 .OEMIGACCOUNT file extension Outlook Express Temporary
116 .OER file extension AU OER TOOLS Project
117 .OET file extension ESignal Order Entry Ticket
118 .OEX file extension Opera Add-on
119 .OFA file extension Kodak OfotoNow
120 .OFB file extension Oxygen Forensic Suite Backup
121 .OFC file extension Open Financial Connectivity Format
122 .OFD file extension ObjectView Form Definition
123 .OFF file extension DEC 3D Object File Format
124 .OFFICEUI file extension Microsoft Office UI Customization
125 .OFFSETS file extension Offset
126 .OFL file extension OtsTurntables Playlist
127 .OFM file extension Adobe PostScript Font Description
128 .OFN file extension MS Office File New (Other Office Documents)
129 .OFP file extension Objecteering Project
130 .OFR file extension OptimFROG Encoded Audio
131 .OFS file extension OptimFROG Dualstream
132 .OFT file extension Microsoft Outlook Template
133 .OFX file extension Open Financial Exchange Format
134 .OG file extension Atari Jaguar GPU (TOM) Object Code
135 .OGA file extension Ogg Vorbis Audio Profile
136 .OGC file extension Organica Document File Format
137 .OGD file extension Oracle Forms Graph
138 .OGF file extension OnkoS Graphic
139 .OGF2 file extension MapViewGPS Map Coordinates
140 .OGG file extension Ogg Vorbis Audio
141 .OGL file extension ATI Overlay Source Code
142 .OGM file extension Ogg Vorbis Media
143 .OGNC file extension Dynamic Web Page
144 .OGO file extension Origin Graphic Object
145 .OGR file extension OGR C++ Open Source Library
146 .OGS file extension Origons Movie List
147 .OGV file extension Ogg Vorbis Video
148 .OGW file extension OriginLab Worksheet
149 .OGX file extension Microsoft C++ Component Gallery Exported Classes And Resources
150 .OGZ file extension Cube 2 Sauerbraten Map
151 .OH file extension DrillAssistant List
152 .OH4 file extension Overhoor List
153 .OHI file extension Openhelp
154 .OHP file extension MS-DOS 7
155 .OHS file extension Bink Outbound History
156 .OHW file extension Overhoor DrillAssistant List
157 .OID file extension HP ProCurve Manager Network Device
158 .OIF file extension QuickBase Web-sharable Database Interchange
159 .OIL file extension Open Image Library Format Image Format
160 .OIT file extension SleepScan And Ceegraph Offset Index
161 .OJ file extension Atari Jaguar DSP (JERRY) Object Module
162 .OJP file extension 3WayPack
163 .OK file extension QEDIT
164 .OKF file extension OKF Font File Format
165 .OKM file extension OkMap Map Defining
166 .OKOZO file extension Okozo Desktop Animation
167 .OKR file extension PowerRecover One Key Recovery
168 .OKS file extension OKScript
169 .OKT file extension Oktalyzer Music Module (MOD)
170 .OKX file extension OKScript
171 .OL file extension Valve Hammer Object Layout
172 .OLB file extension Microsoft Office OLE Object Library
173 .OLB2 file extension CanOpener Library
174 .OLD file extension Backup
175 .OLE file extension Microsoft Object Linking And Embedding
176 .OLE2 file extension Microsoft Office Binary Document Container Format
177 .OLF file extension OyezForms Legal Documents
178 .OLK file extension Microsoft Outlook Address Book
179 .OLK14CATEGORY file extension Microsoft Outlook 2011 For Mac Category
180 .OLK14CONTACT file extension Microsoft Outlook 2011 For Mac Contact
181 .OLK14DBHEADER file extension Microsoft Outlook 2011 For Mac Database
182 .OLK14FOLDER file extension Microsoft Outlook 2011 For Mac Folder
183 .OLK14MAILACCOUNT file extension Microsoft Outlook 2011 For Mac Mail Account Settings
184 .OLK14MESSAGE file extension Microsoft Outlook 2011 For Mac Message
185 .OLK14MSGATTACH file extension Microsoft Outlook 2011 For Mac Message Attachment
186 .OLK14MSGSOURCE file extension Microsoft Outlook 2011 For Mac Message Source
187 .OLK14PREF file extension Microsoft Outlook 2011 For Mac Preferences
188 .OLK14RECENT file extension Microsoft Outlook 2011 For Mac Recent Address
189 .OLK14RULE file extension Microsoft Outlook 2011 For Mac Rule
190 .OLK14SCHEDULE file extension Microsoft Outlook 2011 For Mac Schedule
191 .OLK14SEARCH file extension Microsoft Outlook 2011 For Mac Saved Search
192 .OLK14SIGNATURE file extension Microsoft Outlook 2011 For Mac Signature
193 .OLK14UID file extension Microsoft Outlook 2011 For Mac UID
194 .OLL file extension TrialDirector Load
195 .OLM file extension Microsoft Outlook For Mac Data
196 .OLN file extension Microsoft Visual C++ Outline Examples
197 .OLPROJ file extension Adobe OnLocation
198 .OLS file extension Microsoft Office List Shortcut
199 .OLT file extension Orbit Downloader Download List
200 .OLV file extension Roller Coaster Tycoon
201 .OLY file extension AFP Advanced Function Presentation Overlay Resource
202 .OMA file extension Sony OpenMG Music Format
203 .OMB file extension Omnibus Offline Web Storage
204 .OMC file extension Sony Music Store ATRAC3 Audio
205 .OMD file extension MapInfo Routing J Server Data
206 .OMEG file extension Mathematica For Mac
207 .OMF file extension OMF Operation, Management & Finance Database
208 .OMFI file extension Open Media Framework
209 .OMG file extension O&O DiskImage Backup
210 .OML file extension TracePro Model
211 .OMN file extension Omnipotent Collection
212 .OMO file extension OMake Object
213 .OMOD file extension Oblivion Mod Manager Mod
214 .OMP file extension OpenMind Project
215 .OMR file extension OMR Template
216 .OMS file extension Order Maven
217 .OMT file extension SITH HLA Object Model Template
218 .OMW file extension Omweso
219 .OMX file extension OtsAV Media Library Information
220 .OMZ file extension Market Data
221 .ON2 file extension On2 Encoded FLV
222 .OND file extension Lotus Notes
223 .ONE file extension Microsoft OneNote Document
224 .ONEBIN file extension OneNote
225 .ONECACHE file extension Microsoft OneNote Cache
226 .ONEPKG file extension Microsoft OneNote Package
227 .ONETMP file extension Microsoft OneNote Temporary
228 .ONETOC file extension Microsoft OneNote Table Of Contents
229 .ONETOC2 file extension Microsoft OneNote Table Of Contents
230 .ONLINERESOURCES file extension Online Resources
231 .ONM file extension Outdoor Navigator Map
232 .ONPF file extension Apple DocViewer
233 .ONT file extension TheWord Module
234 .ONTX file extension TheWord Encrypted Module
235 .ONW file extension Omron HMI NTST
236 .ONX file extension OnyxGrass Image
237 .OO3 file extension Omni Group Outliner 3
238 .OOB file extension Steel Panthers World At War
239 .OOG file extension PyGraph Python Graphics Interface Object Oriented Graphics
240 .OOGL file extension Geomview Object Oriented Graphics Library
241 .OOK file extension Arachne Batch Script
242 .OOM file extension Shroom Swap
243 .OOP file extension OOP Packer Archive
244 .OOPS file extension Oops
245 .OOS file extension OpenOffice.org Spreadsheet
246 .OOT file extension OpenOffice.org Text
247 .OP file extension ESignal OptionsPlus
248 .OP2 file extension Outpost 2 Saved Game
249 .OP4 file extension Nastran Output
250 .OPA file extension Psion OPL Object
251 .OPAL file extension Microsoft Office Customization Tool (OCT) Language-specific Settings
252 .OPAX file extension Microsoft Office Customization Tool (OCT) Standard Settings
253 .OPB file extension Bryce Object
254 .OPC file extension Microsoft Office 97 Upgrade Control
255 .OPD file extension Durango Interferometry Software Document
256 .OPDOWNLOAD file extension Opera Next Incomplete Download
257 .OPEF file extension OmniPass Encrypted Folder
258 .OPENBSD file extension OpenBSD Readme
259 .OPENTAG file extension OpenTag
260 .OPF file extension FlipAlbum Album
261 .OPG file extension Offline Plan Generation Package
262 .OPH file extension Clipboard
263 .OPI file extension Adlib OCR Processing Information
264 .OPJ file extension OrCAD Capture Project
265 .OPK file extension Sinking Island/LIle Noyée Game
266 .OPL file extension Psion OPL Language Source Code
267 .OPLC file extension Nokia Logo
268 .OPLM file extension Outline Processor Markup Language
269 .OPML file extension OPML Outline Processor Markup Language File Format
270 .OPN file extension Court Opinion
271 .OPO file extension Psion OPL Object
272 .OPP file extension IPhotoDVD
273 .OPPC file extension Space Marine Game Resource Package
274 .OPQ file extension Eschalon: Book I Game
275 .OPR file extension OPRO X Browser
276 .OPS file extension Microsoft Office Profile Settings
277 .OPT file extension Digital Line Graph Optional Vector Data
278 .OPTIONS file extension Eclipse IDE Trace Options
279 .OPTS file extension Linux Configuration Options
280 .OPUS file extension Opus Audio
281 .OPV file extension OpenPanorama Visit
282 .OPW file extension OrgPlus For Windows Organization Chart
283 .OPX file extension Microsoft Office Organization Chart File Format
284 .OPXT file extension OrpPlus Template
285 .OPY file extension OptiY Model
286 .OPZ file extension OPTech
287 .OP_ file extension GKSetup Support
288 .OQY file extension Microsoft Excel OLAP Query
289 .OR2 file extension Lotus Organizer 2
290 .OR3 file extension IBM Lotus Organizer 97
291 .OR4 file extension Lotus Organizer Data
292 .OR5 file extension IBM Lotus Organizer
293 .OR6 file extension Lotus Organizer Data
294 .OR8 file extension Rational Rose Oracle8 Database Model Report
295 .ORA file extension Oracle Database Parameter Configuration
296 .ORB file extension Evanidus Data
297 .ORC file extension Oracle 7 Script
298 .ORD file extension OMAX Routed Data File
299 .ORDEREDTEST file extension Microsoft Visual Studio Ordered Test
300 .ORE file extension Narbacular Drop Game Content
301 .ORF file extension Olympus Digital Camera Raw Image File
302 .ORG file extension SoundBlaster Pro Organ Files
303 .ORG2+ file extension Lotus Organizer
304 .ORI file extension Need For Speed - Hot Pursuit
305 .ORIG file extension Original
306 .ORIGINAL file extension Netobjects Fusion Components Bbscomp Message
307 .ORIGINAL_EPUB file extension EPUB Ebook Backup
308 .ORIGINAL_MOBI file extension MOBI Ebook Backup
309 .ORK file extension Warhammer Mark Of Chaos Game Archive
310 .ORL file extension Object-Relational Language
311 .ORMDESIGNER file extension ORM Designer Project
312 .ORP file extension WinSLAM
313 .ORQ file extension Online Certificate Status Protocol (OCSP) Request
314 .ORS file extension Online Certificate Status Protocol
315 .ORT file extension COREX Orthographic Transcriptions
316 .ORV file extension Oracom Video
317 .ORX file extension RadiantOne Virtual Directory Server Database Schema
318 .ORZ file extension Holic Game
319 .OS2 file extension Os2 System
320 .OS3 file extension OS/2 Warp 3
321 .OSA file extension W32/Sober-AD
322 .OSAS file extension Apple Script Library Tani Script
323 .OSAX file extension FindFile OSAX Mac File Type
324 .OSB file extension Sega Dreamcast Sounds
325 .OSBX file extension OneSafe Exported Backup
326 .OSC file extension Formula One 2001 Options
327 .OSCD file extension TouchOSC Interface Editor Template
328 .OSD file extension Open Software Description
329 .OSDX file extension Microsoft Windows Search Connector
330 .OSF file extension Descent 3 Sound
331 .OSG file extension OSGJS JSON Input
332 .OSI file extension Osiris Database
333 .OSK file extension Osu! Skin
334 .OSL file extension OckamSoft Log
335 .OSM file extension OpenStreetMap Data
336 .OSP file extension Crystal Semiconductor Driver Data
337 .OSR file extension Osu! Game Replay
338 .OSS file extension Microsoft Office Saved Search
339 .OST file extension Microsoft Outlook Inbox Off-line Folder
340 .OSU file extension Osu! Dialog
341 .OSW file extension ONESWING Contents
342 .OSX file extension Apple Mac OS PowerPC Executable
343 .OSZ file extension Osu! Beatmap
344 .OT file extension Atari Jaguar (TOM) Object Code
345 .OTA file extension OTA Bitmap
346 .OTB file extension Nokia OTA Bitmap
347 .OTC file extension OpenDocument Chart Template
348 .OTD file extension OpenIV Texture Data
349 .OTF file extension OpenType Font File Format
350 .OTG file extension OpenOffice.org Graphics Document Template
351 .OTH file extension Microsoft PowerToys Explorer Tool
352 .OTI file extension OpenDocument Image Template
353 .OTL file extension Super NoteTab Template
354 .OTLB file extension Microsoft OLE Type File For Mac
355 .OTLN file extension Opal Outline
356 .OTM file extension Microsoft Outlook Macro
357 .OTP file extension Origin Graphic Template
358 .OTR file extension IRIX Complied FTR
359 .OTRKEY file extension OTRKEY Encoded Video
360 .OTS file extension OpenOffice.org OpenDocument Spreadsheet Template
361 .OTT file extension OpenOffice.org Text Document Template
362 .OTV file extension Rotor-Disc OTV Kit OTV Calibration
363 .OTX file extension TheWord Encrypted Module
364 .OTZ file extension OpenLP Theme
365 .OUT file extension Output
366 .OUTLINE file extension FontTwister Letter Outline
367 .OUTLOOK97 file extension Microsoft Outlook Custom Mail
368 .OUX file extension Bibexcel
369 .OV file extension OpenInsight Database Overflow
370 .OV0 file extension Objective Voice E-mail For Windows
371 .OV1 file extension Overlay
372 .OV2 file extension Overlay
373 .OV3 file extension Overlay
374 .OV4 file extension Overlay
375 .OV5 file extension Overlay
376 .OVA file extension Open Virtual Machine Format
377 .OVB file extension OnkoS Vocabulary Backup
378 .OVD file extension ObjectVision Data
379 .OVE file extension Overture Music Score
380 .OVF file extension Open Virtualization Format Package
381 .OVG file extension ObjectVision Converted Graphic
382 .OVH file extension OMSI Bus Settings
383 .OVL file extension RollerCoaster Tycoon 3 Sprite
384 .OVM file extension BHV Tonstudio
385 .OVOLOG file extension OoVoo Log
386 .OVPN file extension OpenVPN Config
387 .OVR file extension Overlay
388 .OVS file extension Ovation 1 Style Sheet
389 .OVW file extension Cool Edit Pro Overview
390 .OVX file extension Psion Oval Control
391 .OW file extension Free Pascal For Windows Object
392 .OWC file extension OutWit Hub OutWit Catch Db Format
393 .OWD file extension OpenWire Project
394 .OWG file extension OutWit Hub OutWit Gear Outwit Thesaurus Db
395 .OWL file extension OWL (Obfuscated Weird Language) Source Code
396 .OWM file extension OutWit Hub OutWit Mashup XML Format
397 .OWR file extension PeopleSoft Results Archive
398 .OWS file extension Web Studio Project
399 .OWT file extension Ancestry.com OneWorldTree
400 .OX file extension Ox Object-oriented Matrix Programming Language
401 .OX2 file extension Orangutan X2 Firmware Update
402 .OXD file extension PS3 Proxy Server
403 .OXE file extension Pulsar/SCOPE Z.matrix
404 .OXF file extension IBM Rational Rhapsody
405 .OXM file extension Ogg Compressed Xm
406 .OXO file extension Ox Object-Oriented Matrix Programming Language
407 .OXPS file extension Windows 8 OpenXPS Document
408 .OXR file extension Virus Safe Web Driver
409 .OXT file extension OpenOffice.org Extension Help Format
410 .OYX file extension IBM Lotus Approach Alternate Database Index
411 .OYZ file extension Lotus Approach Alternate DBASE Index
412 .OZ file extension Opera Job Management Compressed
413 .OZD file extension Win32.TrojanDownloader.Agent.OZD Trojan
414 .OZF2 file extension OziExplorer Map
415 .OZFX3 file extension OziExplorer Image
416 .OZJ file extension Mu Online Graphic
417 .OZP file extension Sharp Organizer Telephone Bank
418 .OZT file extension Mu Online Texture