Files starting with O

#	File Extension	Full File Name
1	File Extension O	Compiled Object Format
2	File Extension O01	Typhoon Voice
3	File Extension O2C	Objects To See 3D
4	File Extension O2S	Oracle To MySQL Converter Data Format
5	File Extension O3D	Google Open 3D Web Graphic Format Format
6	File Extension O8D	OCTGN Deck
7	File Extension O8G	OCTGN Game Definition
8	File Extension O8O	Mediator 5 Repository Tabs Vorlagen.006
9	File Extension O8S	OCTGN Set
10	File Extension OA	OrCAD PCB Designer OpenAccess Database Format
11	File Extension OAB	Offline Address Book
12	File Extension OAC	Grand Theft Auto V Audio Data Format
13	File Extension OAD	Suite Notaro Document
14	File Extension OAF	Microsoft Flight Simulator Texture
15	File Extension OAM	Adobe Edge Animate Widget Format
16	File Extension OAP	Samsung Bada Signed Installation Package
17	File Extension OAR	OpenSimulator Archive
18	File Extension OAS	Microsoft Outlook Attachment Sniffer
19	File Extension OAT	Google Android RunTime Code
20	File Extension OAV	Microsoft Flight Simulator Texture
21	File Extension OAW	OpenArchitectureWare Workflow
22	File Extension OAZ	NetFax Manager OAZ Fax Image
23	File Extension OB	IBM LinkWay Object
24	File Extension OB!	Orbit Downloader Incomplete Download
25	File Extension OB3	ABF Software Outlook Backup Backup
26	File Extension OB5	TopLang OE Backup
27	File Extension OBAK	WinSQL Offline Backup
28	File Extension OBB	Android Opaque Binary Blob Format
29	File Extension OBD	Office Binder Document
30	File Extension OBF	OsmAnd Offline GPS Vector Maps
31	File Extension OBG	ZBrush Mesh
32	File Extension OBI	Outlook RSS Subscription Format
33	File Extension OBJ	Wavefront 3D Object Format
34	File Extension OBJX	Metatools Object Bryce Support
35	File Extension OBK	OrCAD Capture Design Or Library
36	File Extension OBL	TrueSpace
37	File Extension OBM	EIAS Camera Motion Export Format
38	File Extension OBML	Opera Mini Saved Web Page
39	File Extension OBML15	Opera Mini 5.1 Saved Web Page
40	File Extension OBML16	Opera Mini Saved Web Page Format
41	File Extension OBP	Bryce Object Format
42	File Extension OBPACK	ObjectBar Theme Pack
43	File Extension OBR	Borland C++ Object Browser Data
44	File Extension OBS	WAsP Obstacle List
45	File Extension OBS-SERVICE	Open Broadcaster Software Data Format
46	File Extension OBSKIN	ObjectBar Skin Format
47	File Extension OBT	Openbox Theme Format
48	File Extension OBV	3D Photo Browser Thumbnail Cache
49	File Extension OBW	Superior Drummer Sounds Format
50	File Extension OBX	Rational XDE
51	File Extension OBYX	Obyx Control
52	File Extension OBZ	Compressed 3D Object Format
53	File Extension OC3	OpenCanvas 3 Event Format
54	File Extension OC4	OpenCanvas 4 Event Format
55	File Extension OC5	OpenCanvas 5 Event Format
56	File Extension OC9	OrgCon Organization
57	File Extension OCA	Custom Control Library Type Format
58	File Extension OCAMLMAKEFILE	Caml Programming Language Makefile
59	File Extension OCB	Origin Precompiled Origin C
60	File Extension OCC	Oceanic DataPool Format
61	File Extension OCD	OCAD Map Format
62	File Extension OCDC	Mathematica Document
63	File Extension OCDF	OneClickDigital Mp3 Audio Book
64	File Extension OCE	Open Catalog Extension Connection Format
65	File Extension OCEN	EdGCM Data
66	File Extension OCF	OM2 Cipher
67	File Extension OCG	Osprey Custom Graph
68	File Extension OCI	OpenCanvas Image
69	File Extension OCL	Object Constraint Language Data Format
70	File Extension OCM	Netscape Communicator Aim
71	File Extension OCO	Open Color Format Palette Format
72	File Extension OCP	Advanced Art Studio Image
73	File Extension OCR	FAXGrapper Fax Text Format
74	File Extension OCREC	Microsoft Lync Data Format
75	File Extension OCSP	HAProxy OCSP Data Format
76	File Extension OCT	Radiance Octree Format
77	File Extension OCTEST	Xcode Objective-C Unit Test Bundle
78	File Extension OCV	OCV Training Data
79	File Extension OCX	ActiveX Control
80	File Extension OC_	Compressed ActiveX Control
81	File Extension OD	Mascopt Graph Request Format
82	File Extension OD1	Omnis 5 Database
83	File Extension OD2	Omnis 5 Database
84	File Extension OD3	Omnis Studio Database
85	File Extension OD4-9	Omnis5 Database
86	File Extension OD5	Omnis 5 Database Format
87	File Extension ODA	CALS Group IV Type 2 Raster Image Format
88	File Extension ODB	OpenDocument Database
89	File Extension ODC	Office Data Connection Format
90	File Extension ODCCUBEFILE	OpenDocument 1
91	File Extension ODCDATABASEFILE	Microsoft Office Data Format
92	File Extension ODCNEWFILE	Microsoft Office Data Connection
93	File Extension ODCODC	ODCODC Ransomware Affected Format
94	File Extension ODCTABLECOLLECTIONFILE	Microsoft Office Component Format
95	File Extension ODCTABLEFILE	Microsoft Office
96	File Extension ODE	Microsoft Office
97	File Extension ODEX	Google Android Optimized Executalbe
98	File Extension ODF	OpenDocument Formula
99	File Extension ODG	OpenDocument Graphic Format
100	File Extension ODH	Microsoft Visual Studio Interface Definition Language
101	File Extension ODI	OpenDocument Image
102	File Extension ODIF	Open Document Interchange Format
103	File Extension ODL	Object Description Language Format
104	File Extension ODM	OverDrive Media Format
105	File Extension ODO	Online Operating System Write Document
106	File Extension ODP	OpenDocument Presentation
107	File Extension ODR	HMI Builder Report Format
108	File Extension ODS	OpenDocument Spreadsheet
109	File Extension ODT	OpenDocument Text Document
110	File Extension ODT#	OpenOffice.org Locked Document
111	File Extension ODTPC	Oracle User Productivity Kit Presentation
112	File Extension ODTTF	Microsoft Office Document Embedded Font
113	File Extension ODV	Ocean Data View Data
114	File Extension ODVI	LaTeX
115	File Extension ODX	BizTalk Server Orchestration Format
116	File Extension OD_	Oracle Compressed Driver
117	File Extension OEACCAOUNT	Windows Mail
118	File Extension OEACCOUNT	Windows Mail Account Format
119	File Extension OEB	Outlook Express Backup Wizard Format
120	File Extension OECL	Open EDA Component Library
121	File Extension OEF	Optim Export
122	File Extension OEM	OEM Setup Format
123	File Extension OEMIGACCOUNT	Outlook Express Temporary
124	File Extension OER	AU OER TOOLS Project Format
125	File Extension OET	ESignal Order Entry Ticket
126	File Extension OETPL	Offline Explorer Format
127	File Extension OEX	Opera Extension
128	File Extension OFA	Kodak OfotoNow
129	File Extension OFB	Oxygen Forensic Suite Backup
130	File Extension OFC	Open Financial Connectivity Format
131	File Extension OFD	ObjectView Form Definition
132	File Extension OFF	Object Format Format
133	File Extension OFFICEUI	Microsoft Office UI Customization
134	File Extension OFFSETS	Offset
135	File Extension OFL	Ots Format List
136	File Extension OFM	Melco Embroidery Format
137	File Extension OFN	MS Office Format New (Other Office Documents)
138	File Extension OFP	Objecteering Project
139	File Extension OFR	OptimFROG Audio Format
140	File Extension OFS	OptimFROG Dualstream
141	File Extension OFT	Outlook Format Template
142	File Extension OFX	Open Financial Exchange Format
143	File Extension OGA	Ogg Vorbis Audio Format
144	File Extension OGD	Oracle Forms Graph
145	File Extension OGEX	Open Game Engine Exchange Data Format
146	File Extension OGF	S.T.A.L.K.E.R. Model Format
147	File Extension OGG	Ogg Vorbis Audio Format
148	File Extension OGL	ATI Overlay Source Code
149	File Extension OGM	Ogg Media Format
150	File Extension OGNC	Dynamic Web Page
151	File Extension OGO	Origin Graphic Object
152	File Extension OGR	OGR C++ Open Source Library
153	File Extension OGRE	OGRE 3D Data Format
154	File Extension OGS	Origons Movie Data Format
155	File Extension OGV	Ogg Video Format
156	File Extension OGW	OriginLab Worksheet
157	File Extension OGX	Ogg Vorbis Multiplexed Media Format
158	File Extension OGZ	Cube 2 Map Format
159	File Extension OH	DrillAssistant List
160	File Extension OH4	Overhoor List
161	File Extension OHP	MS-DOS 7
162	File Extension OHS	Bink Outbound History
163	File Extension OHT	Oracle Help For Java Links Data Format
164	File Extension OHW	Overhoor DrillAssistant List
165	File Extension OIF	QuickBase Web-sharable Database Interchange
166	File Extension OIL	Open Image Library Format Image Format
167	File Extension OIV	OpenIV Mod Archive Format
168	File Extension OJP	3WayPack
169	File Extension OK	Qedit
170	File Extension OKD	Lenovo OneKey Recovery Data Format
171	File Extension OKM	OkMap Map Defining
172	File Extension OKOZO	Okozo Desktop Animation
173	File Extension OKR	PowerRecover One Key Recovery
174	File Extension OKS	OKScript
175	File Extension OKT	Oktalyzer Module
176	File Extension OKX	OKScript
177	File Extension OL	Valve Hammer Object Layout
178	File Extension OLA	Online Access Format
179	File Extension OLB	OLE Object Library
180	File Extension OLB2	CanOpener Library
181	File Extension OLD	Backup Format
182	File Extension OLE	Microsoft Object Linking And Embedding
183	File Extension OLE2	Microsoft Office Binary Document Container Format
184	File Extension OLF	OyezForms Legal Documents
185	File Extension OLG	Orbit Legend Data Format
186	File Extension OLK	Outlook Address Book Format
187	File Extension OLK14	Microsoft Outlook For Mac Message Format
188	File Extension OLK14ARRANGE	Microsoft Outlook 2011 For Mac Data Format
189	File Extension OLK14CALATTACH	Microsoft Outlook 2011 For Mac Data Format
190	File Extension OLK14CATEGORY	Outlook Category Format
191	File Extension OLK14CONTACT	Outlook Contact Format
192	File Extension OLK14DBHEADER	Microsoft Outlook 2011 For Mac Database
193	File Extension OLK14EVENT	Outlook Calendar Event Format
194	File Extension OLK14EXACCOUNT	Microsoft Outlook 2011 For Mac Data Format
195	File Extension OLK14EXMOVES	Microsoft Outlook 2011 For Mac Data Format
196	File Extension OLK14EXSYNCMAP	Microsoft Outlook 2011 For Mac Data Format
197	File Extension OLK14FOLDER	Microsoft Outlook 2011 For Mac Folder
198	File Extension OLK14GROUP	Outlook Group Format
199	File Extension OLK14IMAPSYNCMAP	Microsoft Outlook 2011 For Mac Data Format
200	File Extension OLK14MAILACCOUNT	Outlook Mail Account Format
201	File Extension OLK14MESSAGE	Outlook Message Format
202	File Extension OLK14MSGATTACH	Microsoft Outlook 2011 For Mac Message Attachment
203	File Extension OLK14MSGSOURCE	Outlook Email Message Data Format
204	File Extension OLK14NOTE	Outlook Note Format
205	File Extension OLK14PREF	Outlook Preferences Format
206	File Extension OLK14RECENT	Microsoft Outlook 2011 For Mac Recent Address
207	File Extension OLK14RULE	Microsoft Outlook 2011 For Mac Rule
208	File Extension OLK14SCHEDULE	Microsoft Outlook 2011 For Mac Schedule
209	File Extension OLK14SEARCH	Microsoft Outlook 2011 For Mac Saved Search
210	File Extension OLK14SIGNATURE	Outlook Signature Format
211	File Extension OLK14TASK	Outlook Task Format
212	File Extension OLK14UID	Microsoft Outlook 2011 For Mac UID
213	File Extension OLK15MESSAGE	Microsoft Outlook For Mac Message Format
214	File Extension OLL	TrialDirector Load
215	File Extension OLM	Mac Outlook Database Format
216	File Extension OLN	Microsoft Visual C++ Outline Examples
217	File Extension OLPROJ	Adobe OnLocation
218	File Extension OLR	Openlab RAW Image Format
219	File Extension OLS	Microsoft Office List Shortcut
220	File Extension OLT	Orbit Downloads List
221	File Extension OLV	Roller Coaster Tycoon
222	File Extension OLY	AFP Advanced Function Presentation Overlay Resource
223	File Extension OMA	Sony OpenMG Music Format
224	File Extension OMC	Origin Customized Menu
225	File Extension OMCS	Office Manager Access Format
226	File Extension OMD	MapInfo Routing J Server Data
227	File Extension OME	Open Microscopy Environment OME Image Format
228	File Extension OMEG	Mathematica For Mac
229	File Extension OMF	Open Media Framework Format
230	File Extension OMFI	Open Media Framework
231	File Extension OMG	O&O DiskImage Backup Format
232	File Extension OMI	Orbit Multiresolution Image Format
233	File Extension OMK	Ocera Make System Script Format
234	File Extension OML	TracePro Model
235	File Extension OMLOG	CA OM Web Viewer Log Format
236	File Extension OMN	Omnipotent Collection
237	File Extension OMO	OMake Object Format
238	File Extension OMOD	Oblivion Mod Archive
239	File Extension OMP	Office Manager Document Archive
240	File Extension OMR	OMR Template
241	File Extension OMS	Order Maven
242	File Extension OMT	SITH HLA Object Model Template
243	File Extension OMU	XWE Data Format
244	File Extension OMX	OtsAV Media Library Information Format
245	File Extension ON2	On2 Encoded FLV
246	File Extension ONB	OpenModelica Document Format
247	File Extension ONBATCH	ON1 Photo Data Format
248	File Extension OND	Lotus Notes Encapsulated Memo Format
249	File Extension ONE	OneNote Document
250	File Extension ONEBIN	OneNote Data Format
251	File Extension ONECACHE	Microsoft OneNote Cache
252	File Extension ONEFFECTS	Perfect Effects Data Format
253	File Extension ONENHANCE	Perfect Effects Data Format
254	File Extension ONEPASSWORD-LICENSE	1Password License Format
255	File Extension ONEPKG	Microsoft OneNote Package Format
256	File Extension ONEPKG_1033	Microsoft Update Data Format
257	File Extension ONETMP	Microsoft OneNote Temporary
258	File Extension ONETOC	Microsoft OneNote Table Of Contents
259	File Extension ONETOC2	Microsoft OneNote Table Of Contents Format
260	File Extension ONEXPORT	ON1 Photo Data Format
261	File Extension ONM	Outdoor Navigator Map
262	File Extension ONPORTRAIT	ON1 Photo Data Format
263	File Extension ONPORTRAITFD	Perfect Effects Data Format
264	File Extension ONPRESET	Perfect Effects Preset Format
265	File Extension ONRESIZE	Perfect Effects Data Format
266	File Extension ONT	TheWord Bible Text Module
267	File Extension ONTX	TheWord Encrypted Bible Text Module
268	File Extension ONW	Omron HMI NTST
269	File Extension ONX	OnyxGrass Image
270	File Extension OO3	OmniOutliner 3 Format
271	File Extension OOA	OOA Interchange Format Data Format
272	File Extension OOC	CHARTrunner Definition Data Format
273	File Extension OODAGTDAT	O&O Defrag Binary Report Format
274	File Extension OODAGTID	O&O Defrag Binary Report Format
275	File Extension OODAGTRPD	O&O Defrag Binary Report Format
276	File Extension OODBRI	O&O Defrag Binary Report Format
277	File Extension OODBRP	O&O Defrag GUI Settings Format
278	File Extension OODGUISETTINGS	O&O Defrag GUI Settings Format
279	File Extension OOG	PyGraph Python Graphics Interface Object Oriented Graphics
280	File Extension OOGL	Geomview Object Oriented Graphics Library
281	File Extension OOK	Arachne Batch Script
282	File Extension OOL	Orbit Object List Format
283	File Extension OOPS	Oops Format
284	File Extension OOS	OpenOffice.org Spreadsheet
285	File Extension OOT	OpenOffice.org Text
286	File Extension OP	ESignal OptionsPlus
287	File Extension OP2	Outpost 2 Saved Game
288	File Extension OP4	Nastran Output
289	File Extension OPA	Fly! RAW Image Opacity Map
290	File Extension OPAL	Microsoft Office Customization Tool (OCT) Language-specific Settings
291	File Extension OPAX	Microsoft Office Customization Tool (OCT) Standard Settings
292	File Extension OPB	Bryce Object
293	File Extension OPC	Microsoft Office 97 Upgrade Control
294	File Extension OPCSES	Opticodec-PC Data Format
295	File Extension OPD	Durango Interferometry Software Document Format
296	File Extension OPDOWNLOAD	Opera Partially Downloaded Format
297	File Extension OPEF	OmniPass Encrypted Folder
298	File Extension OPENBSD	OpenBSD Readme Format
299	File Extension OPF	Open Packaging Format Format
300	File Extension OPG	Offline Plan Generation Package
301	File Extension OPI	Adlib OCR Processing Information
302	File Extension OPJ	OrCAD Project Format
303	File Extension OPK	Sinking Island/LIle Noyée Game
304	File Extension OPLC	Nokia Operator Logo Format
305	File Extension OPLM	Outline Processor Markup Language
306	File Extension OPLX	Omniplan Project Document Format
307	File Extension OPML	Outline Processor Markup Language Format
308	File Extension OPN	Court Opinion
309	File Extension OPP	IPhotoDVD
310	File Extension OPPC	Space Marine Game Resource Package
311	File Extension OPPO	Oppo Core Data Format
312	File Extension OPQ	Eschalon: Book I Game
313	File Extension OPR	OPRO X Browser
314	File Extension OPRC	Palm OS Data Format
315	File Extension OPS	Office Profile Settings Format
316	File Extension OPSX	Open Pedigree Standard Exchange Document Format
317	File Extension OPT	MySQL Database Data Format
318	File Extension OPTIONS	SE-SOFT Configuration Format
319	File Extension OPTS	Linux Configuration Options Format
320	File Extension OPUS	Opus Audio Format
321	File Extension OPUSCERT	Directory Opus Certificate Format
322	File Extension OPW	OrgPlus For Windows Organization Chart
323	File Extension OPX	OrgPlus Org Chart
324	File Extension OPXT	OrpPlus Template
325	File Extension OPY	OptiY Model
326	File Extension OP_	GKSetup Support
327	File Extension OQY	Excel OLAP Query Format
328	File Extension OR2	Lotus Organizer 2 Format
329	File Extension OR3	IBM Lotus Organizer 97 Format
330	File Extension OR4	IBM Lotus Organizer 97 GS Format
331	File Extension OR5	Lotus Organizer 5 Format
332	File Extension OR6	Lotus Organizer 6 Format
333	File Extension OR8	Rational Rose Oracle8 Database Model Report
334	File Extension ORA	Oracle Database Configuration Format
335	File Extension ORB	Original EBook Reader Ebook
336	File Extension ORC	CSound Orchestra Midi Format
337	File Extension ORD	OMAX Routed Data Format
338	File Extension ORDEREDTEST	Visual Studio Ordered Test Format
339	File Extension ORE	Ore Executable Format
340	File Extension ORF	Olympus RAW Format
341	File Extension ORG	Lotus Organizer Format
342	File Extension ORG2+	Lotus Organizer
343	File Extension ORI	Original Format
344	File Extension ORIG	Original Format
345	File Extension ORIGINAL	Netobjects Fusion Components Bbscomp Message
346	File Extension ORIGINAL_EPUB	EPUB Ebook Backup
347	File Extension ORIGINAL_MOBI	MOBI Ebook Backup
348	File Extension ORK	Warhammer Mark Of Chaos Game Archive
349	File Extension ORL	Object-Relational Language
350	File Extension ORMDESIGNER	ORM Designer Project
351	File Extension ORP	WinSLAM Data Format
352	File Extension ORS	DSP Group TrueSpeech Audio Format
353	File Extension ORT	COREX Orthographic Transcriptions Format
354	File Extension ORV	Oracom Video Format
355	File Extension ORX	RadiantOne VDS Database Schema
356	File Extension ORY	Sage ACT! Data Format
357	File Extension ORZ	Holic Game
358	File Extension OS	ObjectScript Source Format
359	File Extension OS2	Os2 System
360	File Extension OS3	OS/2 Warp 3
361	File Extension OSA	W32/Sober-AD
362	File Extension OSAS	Apple Script Library Tani Script
363	File Extension OSAX	FindFile OSAX Mac Format Type
364	File Extension OSB	OpenStreetMap Binary Map Format
365	File Extension OSBX	OneSafe Exported Backup
366	File Extension OSC	Remote Installation Services Client Installation Wizard Format
367	File Extension OSCD	TouchOSC Interface Editor Template
368	File Extension OSD	Open Software Description
369	File Extension OSDX	Search Connector Description Format
370	File Extension OSF	Descent 3 Sound
371	File Extension OSG	OSGJS JSON Input
372	File Extension OSGB	OpenSceneGraph Binary Scene Data Format
373	File Extension OSGT	OpenSceneGraph ASCII Scene Data Format
374	File Extension OSH	IBM InfoSphere Schema Format
375	File Extension OSINSTALLMESSAGES	MacOS System Data Format
376	File Extension OSK	Osu! Skin Format
377	File Extension OSL	OckamSoft Log
378	File Extension OSM	OpenStreetMap Map Format
379	File Extension OSN	Open Symbolic Notation Data Format
380	File Extension OSP	OpenShot Project Format
381	File Extension OSPX	Dell KACE Patch Definition Format
382	File Extension OSR	Osu! Replay Format
383	File Extension OSS	Microsoft Outlook Saved Search Format
384	File Extension OST	Outlook Offline Folder Format
385	File Extension OSU	Osu! Script
386	File Extension OSW	ONESWING Contents
387	File Extension OSX	PowerPC Executable Format
388	File Extension OSZ	Osu! Beatmap Format
389	File Extension OT	TheWord Old Testament Text Module
390	File Extension OTA	OTA Bitmap Image
391	File Extension OTB	Nokia Over The Air Bitmap Image
392	File Extension OTC	OpenDocument Chart Template
393	File Extension OTD	OpenIV Texture Data
394	File Extension OTF	OpenType Font
395	File Extension OTG	OpenDocument Graphic Template
396	File Extension OTH	OpenDocument HTML Template
397	File Extension OTI	OpenDocument Image Template
398	File Extension OTL	NoteTab Outline Format
399	File Extension OTLN	Opal Outline Format
400	File Extension OTM	Outlook Macro Format
401	File Extension OTN	OmniPage Pro Training Data Format
402	File Extension OTO	AutoPano Project Format
403	File Extension OTP	OpenDocument Presentation Template
404	File Extension OTR	IRIX Complied FTR
405	File Extension OTRKEY	OnlineTvRecorder Encoded Video Format
406	File Extension OTS	OpenDocument Spreadsheet Template
407	File Extension OTT	OpenDocument Document Template
408	File Extension OTV	Rotor-Disc OTV Kit OTV Calibration
409	File Extension OTVDATAFILE	OnlineTV Data Format
410	File Extension OTW	Origin Worksheet Template Format
411	File Extension OTX	TheWord Encrypted Old Testament Text Module
412	File Extension OTZ	OpenLP Theme Format
413	File Extension OUT	Output Format
414	File Extension OUT1	UltraEdit Data Format
415	File Extension OUTJOB	Altium Designer Data Format
416	File Extension OUTLINE	FontTwister Letter Outline
417	File Extension OUTLOOK97	Microsoft Outlook Custom Mail
418	File Extension OUV	Sphinx Open Ended Responses Format
419	File Extension OUX	Bibexcel
420	File Extension OV	OpenInsight Database Overflow
421	File Extension OV1	Overlay
422	File Extension OV2	TomTom Points Of Interest Database
423	File Extension OV3	Overlay
424	File Extension OV4	Overlay
425	File Extension OV5	Overlay
426	File Extension OVA	Open Virtual Appliance
427	File Extension OVD	ObjectVision Data
428	File Extension OVE	Overture Musical Score
429	File Extension OVF	Open Virtualization Format
430	File Extension OVG	ObjectVision Converted Graphic
431	File Extension OVH	OMSI Bus Settings
432	File Extension OVISUITE	Nokia Ovi Suite Data Format
433	File Extension OVK	Little Busters! Game Data Format
434	File Extension OVL	Rollercoaster Tycoon 3 Data Format
435	File Extension OVLX	E-Sword Overlay Data Format
436	File Extension OVOLOG	OoVoo Log
437	File Extension OVP	The Overlay Maker Package Format
438	File Extension OVPN	OpenVPN Configuration Format
439	File Extension OVR	The Overlay Maker Overlay Format
440	File Extension OVS	Ovation 1 Style Sheet
441	File Extension OVT	Orbit Vector Tiled Format
442	File Extension OVW	Logic Pro Overview Format
443	File Extension OW	Free Pascal 1.0.x Object Format
444	File Extension OWC	OutWit Catch Database
445	File Extension OWFS	Web Feature Service Data Format
446	File Extension OWG	OutWit Gear Database
447	File Extension OWL	OWL Source Code Format
448	File Extension OWM	OutWit XML Mashup Format
449	File Extension OWR	PeopleSoft Results Archive
450	File Extension OWS	Web Studio Project
451	File Extension OWT	Ancestry.com OneWorldTree
452	File Extension OWX	OutWit Hub Script Format
453	File Extension OX	Ox Object-Oriented Matrix Programming Language
454	File Extension OXD	PS3 Proxy Server
455	File Extension OXF	IBM Rational Rhapsody
456	File Extension OXO	Ox Object-Oriented Matrix Programming Language
457	File Extension OXPS	OpenXPS Format
458	File Extension OXS	Racer Onyx Script Format
459	File Extension OXT	Apache OpenOffice Extension
460	File Extension OXYGENE	Oxygene Project Format
461	File Extension OYX	Approach Alternate Database Index
462	File Extension OYZ	Lotus Approach Alternate DBASE Index
463	File Extension OZ	Opera Job Management Compressed Format
464	File Extension OZD	Win32.TrojanDownloader.Agent.OZD Trojan Format
465	File Extension OZF2	OziExplorer Map
466	File Extension OZFX3	OziExplorer Image
467	File Extension OZJ	Mu Online Graphic
468	File Extension OZP	Orgadata LogiKal
469	File Extension OZT	Mu Online Texture