| filename extensions | art-335 |
| mkr | |
| TechTarget file types | art-336 | MKR-McCullough-Knowledge-Explorer-Knowledge-Representation-Richard-H-McCullough-Knowledge-Engineer |
| TechTarget file types | art-336 | MKR-Tonline-Bsw4-Internet-File |
| TechTarget file types | art-336 | MKR-Train-Simulator-Marker-File-Microsoft-Corporation |
| TechTarget file types | art-336 | MKR-my-Knowledge-Representation-file |
| English | eng-000 | McCullough Knowledge Explorer Knowledge Representation |
| English | eng-000 | Tonline Bsw4 Internet File |
| English | eng-000 | Train Simulator Marker File |
| English | eng-000 | my Knowledge Representation file |