| English | eng-000 |
| CCITT Group 3 and Group 4 Encoding | |
| filename extensions | art-335 | cci |
| filename extensions | art-335 | ccitt |
| TechTarget file types | art-336 | CCI-CCITT-Group-3-and-Group-4-Encoding |
| TechTarget file types | art-336 | CCITT-CCITT-Group-3-and-Group-4-Encoding |