| filename extensions | art-335 |
| hdml | |
| TechTarget file types | art-336 | HDML-Handheld-Device-Markup-Language |
| TechTarget file types | art-336 | HDML-Handheld-Device-Markup-Language-File |
| English | eng-000 | Handheld Device Markup Language |
| English | eng-000 | Handheld Device Markup Language File |