Files cannot be played.

1. Playable Music File Formats : mp3, wav, cda, wma, asf, ogg, vdj/vds, m4a, aac.

2. Playable Video File Formats : avi、mpeg(mpg)、wmv、vob、mov、mp4、m4v、mkv、flv.

3. Is the file copyright-protected (by DRM)? Copyright-protected files cannot be played.