| extension name | file type | Classification |
|---|---|---|
| JAM | JAM Musical Score | audio file |
| JAM | Line 6 Device Recording | audio file |
| JO | jo Audio File | audio file |
| JO-7Z | jo Audio File | audio file |
| JSPF | JSON Playlist File | audio file |
| extension name | file type | Classification |
|---|---|---|
| JAM | JAM Musical Score | audio file |
| JAM | Line 6 Device Recording | audio file |
| JO | jo Audio File | audio file |
| JO-7Z | jo Audio File | audio file |
| JSPF | JSON Playlist File | audio file |