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