| filename extensions | art-335 |
| def | |
| TechTarget file types | art-336 | DEF-Assembly-Header-file-Geoworks |
| TechTarget file types | art-336 | DEF-C-definition-file |
| TechTarget file types | art-336 | DEF-Define-Module-file-3-D-Fassade-Plus |
| TechTarget file types | art-336 | DEF-SmartWare-II-data |
| English | eng-000 | Assembly Header file |
| English | eng-000 | C++ definition file |
| English | eng-000 | Define Module file |
| English | eng-000 | Module-Definition File |
| English | eng-000 | SmartWare II data |