| filename extensions | art-335 |
| ixf | |
| TechTarget file types | art-336 | IXF-IFX-for-FAX |
| TechTarget file types | art-336 | IXF-IFX-for-FAX-document-file |
| TechTarget file types | art-336 | IXF-Index-for-Windows-form-defintion-file |
| English | eng-000 | IFX for FAX |
| English | eng-000 | IFX for FAX document file |
| English | eng-000 | Index + for Windows form defintion file |