Extension  |
Description  |
Format |
MIME Type |
| ohi |
|
|
|
| OBX |
|
|
|
| ohl |
|
|
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| opg |
|
|
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| ohc |
|
|
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| OEM |
|
|
|
| OS/2 Warp Bitmap |
|
|
|
| OMB |
|
|
|
| olb |
|
|
|
| opt |
|
|
|
| OS/2 Bitmap |
|
|
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| odl |
|
|
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| odm |
|
|
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| oft |
|
|
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| OpenMath |
|
|
|
| ODL |
Object Description Language |
|
|
| ODIF |
Open Document Interchange Format |
|
|
| OPX |
(1) Chart; Banner Blue Org Chart; see MPO |
|
|
| OPT |
(1) Delphi Project Options (text, current project settings) |
|
|
| OLB |
(1) Microsoft Project Object Library |
|
|
| ODA |
(1) Used with OCX |
|
|
| OLB |
(2) AUTOGEN file |
|
|
| ODA |
(2) Document; Open Document Architecture Consortium; ODF |
|
|
| OPT |
(2) Microsoft Developer Studio workspace options |
|
|
| OPX |
(2) Microsoft Office Organization Chart (also by Banner Blue) |
|
|
| OLB |
(3) VAX Object Library |
|
|
| OTH |
.OtherFolder, Microsoft Power Toys Explorer tool |
|
|
| OUT |
SmartOutline outline file. |
|
|
| OGG |
A type of audio/video file. |
|
|
| O |
Atari or UNIX object file; see OBJ |
|
|
| OLD |
Backup |
|
|
| ODT |
Document; Microsoft Office 97 Binder; see ODB |
|
|
| ODB |
Document; Microsoft Office 97 Binder; see ODT |
|
|
| OLI |
Document; Olivetti |
|
|
| OTX |
Document; Olivetti Olitext |
|
|
| ODF |
Document; Open Document Interchange Format; ODA |
|
|
| OAZ |
Fax Document; OAZ Fax |
|
|
| OCR |
Generic |
|
|
| OYZ |
Lotus Approach alternate dBASE index; created if ADX file is used by another application |
|
|
| OR2 |
Lotus Organiser 2 file |
|
|
| OR3 |
Lotus Organiser 97 file |
|
|
| ORG |
Lotus Organiser file |
|
|
| OR2 |
Lotus Organizer 2 |
|
|
| OR4 |
Lotus Organizer 4 |
|
|
| OR3 |
Lotus Organizer 97 |
|
|
| ORG |
Lotus Organizer calendar |
|
|
| OGX |
Microsoft C++ Component Gallery exported classes and resources |
|
|
| OB$ |
Microsoft compressed OBJ; decompress with UNPACK.EXE |
|
|
| OPT |
Microsoft Developer Studio file |
|
|
| OST |
Microsoft Exchange/Outlook Offline file |
|
|
| OLK |
Microsoft Mail mailbag lock; see MAI |
|
|
| OCX |
Microsoft Object Linking and Embedding custom control |
|
|
| OPC |
Microsoft Office 97 upgrade wizard clean-up (like a setup script) |
|
|
| OBD |
Microsoft Office Binder |
|
|
| OBD |
Microsoft Office Binder |
|
|
| OBD |
Microsoft Office binder template |
|
|
| OBT |
Microsoft Office Binder Template |
|
|
| OBZ |
Microsoft Office Binder Wizard |
|
|
| OBZ |
Microsoft Office Binder Wizard |
|
|
| OFN |
Microsoft Office File New (Other Office Documents) |
|
|
| OFN |
Microsoft Office FileNew file |
|
|
| OSS |
Microsoft Office Saved Search |
|
|
| OSS |
Microsoft Office Search file |
|
|
| OPW |
Microsoft Organization Chard |
|
|
| OPX |
Microsoft Organization Chard |
|
|
| ODS |
Microsoft Outlook Express mailbox file (?) |
|
|
| OST |
Microsoft Outlook off-line folder |
|
|
| OFT |
Microsoft Outlook template |
|
|
| oca |
MS control typelib cache file |
|
|
| ODS |
NCompass Labs (Internet script?) |
|
|
| OBR |
Object Browser State file (Borland C++) |
|
|
| OCF |
Object Craft |
|
|
| ODL |
Object Definition Language (Object Library Source for OLE applications) |
|
|
| o |
object file |
|
|
| obj |
object file |
|
|
| OFF |
Object File Format. Vector image. Details |
|
|
| OLE |
Object Linking and Embedding Object (generic name) |
|
|
| OOGL |
Object Oriented Graphics Library |
|
|
| OBV |
ObjectScript |
|
|
| OFD |
ObjectView Form Definition |
|
|
| OBD |
Office Binder (vers 7.0) |
|
|
| OBT |
Office Binder Template (vers. 7.0) |
|
|
| OBZ |
Office Binder Wizard (vers 7.0) |
|
|
| ow4 |
OfficeWriter |
|
|
| OGM |
OGG Media Stream. Audio/Video. command line tools. |
|
|
| OKT |
Oktalyzer music module (MOD) file |
|
|
| ocx |
OLE control extension |
|
|
| OCX |
OLE Custom Control (not necessarily 32-bits, not necessarily Basic) |
|
|
| OCA |
OLE Custom Control Library Information |
|
|
| OLE |
OLE object |
|
|
| OLB |
OLE Object Library |
|
|
| ORF |
Olympus Raw Format. Raster image from an Olympus digital camera. |
[RAW] |
|
| ODT |
OOMF Data Table. Data from the Object Oriented Micromagnetic Framework. Details |
|
|
| ODT |
Open Document Text. A standard file format for word processing documents. |
|
|
| OPF |
Open eBook Package File. More Info. |
|
|
| OLIF |
Open Lexicon Interchange Format, is a user-friendly vehicle for exchanging terminological and lexical data. More Info. |
|
|
| osd |
Open Software Description. An XML format with the details of a software package. Details. |
|
|
| OPX |
OPL extension DLL |
|
|
| OPO |
OPL output executable file |
|
|
| ORA |
Oracle 7 configuration |
|
|
| ORC |
Oracle 7 script |
|
|
| ORA |
Oracle Database |
|
|
| OPW |
Org Plus organizational chart |
|
|
| OPL |
Organiser Programming Language source file - Psion/Symbian |
|
|
| os2 |
OS/2 bitmap |
|
|
| OLN |
Outline (Microsoft Visual C++ Outline examples use this extension) |
|
|
| OLT |
Outline (Microsoft Visual C++ Outline examples use this extension) |
|
|
| ovl |
overlay files |
|
|
| OOGL |
Picture; Web Object Oriented Graphics Library |
|
|
| OVR |
Program Overlay |
|
|
| OPL |
PSION Organizer; see AGN |
|
|
| OZM |
Sharp Organizer Memo Bank |
|
|
| OZP |
Sharp Organizer Telephone Bank |
|
|
| OKT |
Sound; Oktalyzer Module |
|
|
| OTL |
Super NoteTab template file (Fookes) |
|
|
| O01 |
Typhoon voice file |
|
|
| OBJ |
Wavefront Object. Details |
|
|
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