| filename extensions | art-335 |
| opx | |
| TechTarget file types | art-336 | OPX-Extension-DLL-OPL |
| TechTarget file types | art-336 | OPX-Inactive-options-Exact |
| TechTarget file types | art-336 | OPX-Microsoft-Organizer-Organization-Chart |
| English | eng-000 | Extension DLL |
| English | eng-000 | Inactive options |
| English | eng-000 | Microsoft Organizer Organization Chart |
| English | eng-000 | OrgPlus Org Chart |