| English | eng-000 |
| Extensible HyperText Markup Language File | |
| filename extensions | art-335 | xht |
| filename extensions | art-335 | xhtm |
| TechTarget file types | art-336 | XHT-Extensible-HyperText-Markup-Language-File |
| TechTarget file types | art-336 | XHTM-Extensible-HyperText-Markup-Language-File |