| filename extensions | art-335 |
| udf | |
| TechTarget file types | art-336 | UDF-Image-filter-Photostyler |
| TechTarget file types | art-336 | UDF-User-Defined-Function-Microsoft-Excel |
| English | eng-000 | Image filter |
| English | eng-000 | Universal Disk Format File |
| English | eng-000 | User-Defined Function |