Mobile Channels support for Multiple Internet Mail Extensions (MIME) formats is described in the following table.
| MIME format | Palm-size PC | H/PC (2.0) |
| text/plain | Yes | Yes |
| text/html | Yes | Yes |
| image/bmp | Yes | Yes |
| image/gif | Yes | Yes |
| image/jpeg | Yes | Yes |
| image/tiff | No | No |
| image/x-xbitmap | No | Yes |
| audio/wav | Yes | Yes |
| audio/basic | No | No |
| audio/aiff | No | No |
| video/avi | No | No |
| video/mpeg | No | No |