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