| filename extensions | art-335 |
| opd | |
| TechTarget file types | art-336 | OPD-Durango-Interferometry-Software-document-file |
| TechTarget file types | art-336 | OPD-Durango-Interferometry-data-Header |
| TechTarget file types | art-336 | OPD-OmniPage-Document |
| TechTarget file types | art-336 | OPD-ZX-Spectrum-emulator-file |
| English | eng-000 | Durango Interferometry Software document file |
| English | eng-000 | Durango Interferometry data Header |
| English | eng-000 | OmniPage Document |
| English | eng-000 | ZX Spectrum emulator file |