| filename extensions | art-335 |
| mud | |
| TechTarget file types | art-336 | MUD-ACT |
| TechTarget file types | art-336 | MUD-ACT-Best-Software-CRM-Division |
| TechTarget file types | art-336 | MUD-Textease-multi-user-database |
| TechTarget file types | art-336 | MUD-zMUD-setting-file |
| English | eng-000 | ACT! |
| English | eng-000 | Mudbox 3D Scene File |
| English | eng-000 | Textease multi user database |
| English | eng-000 | zMUD setting file |