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