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