Extensions: 'O'
| Format | Description | Author | File / Link |
|---|---|---|---|
| OBERON | Oberon System's Symbol and Object File Formats | Patrik Reali | LINK |
| OBJ | Source code to read wavefront (alias/maya) .OBJ files | Steve Britton | Download |
| Videoscape file specs | Max Gilead | Download | |
| C++ Code for reading OBJ files | VenTure | Download | |
| Wavefront Object files (Acrobat) | Download | ||
| Macro Assembler and MS C Compiler Object Files | Download | ||
| OBJ Specification | Microsoft Corporation | Download | |
| OCI | The OCI File Format Specification version 1.0 | Edward L. Blake | Download |
| ODF | ODIF - Open Document Interchange Format for Open Document Architecture (ODA) | Open Document Architecture Consortium (ODAC) | LINK |
| OFF | 3D Object File Format | Randi J. Rost | Download |
| OGG | Ogg Encapsulation Format Version 0 | The Internet Society | Download |
| Ogg Vorbis Documentation | Xiph.org | LINK | |
| OKT | Oktalyzer Formats | Harald Zappe | Download |
| OMF | Relocatable Object Module Format (Acrobat) | Intel | Download |
| OOGL | Web Object Oriented Graphics Library | LINK | |
| OPENGL | OpenGL Web site | LINK | |
| OPENOFFICE | OpenOffice.org XML File Format 1.0 | Sun Microsystems, Inc. | LINK |
| OPENTAG | OpenTag - Standard format for extracted text | LINK | |
| OPL | PSION Organiser files | Jeff Wormsley | Download |
How to help
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