| filename extensions | art-335 |
| crd | |
| TechTarget file types | art-336 | CRD-Microsoft-Windows-3-x-Cardfile |
| TechTarget file types | art-336 | CRD-Text-file-used-for-guitar-chords-tablature-and-lyrics |
| English | eng-000 | Microsoft Windows 3.x Cardfile |
| English | eng-000 | Text file used for guitar chords, tablature and lyrics |
| English | eng-000 | Windows CardSpace File |