| filename extensions | art-335 |
| fdx | |
| TechTarget file types | art-336 | FDX-Apache-Lucene-field-index |
| TechTarget file types | art-336 | FDX-Force-Index |
| TechTarget file types | art-336 | FDX-Force-index-file |
| English | eng-000 | Apache Lucene field index |
| English | eng-000 | Final Draft Document |
| English | eng-000 | Force Index |
| English | eng-000 | Force index file |