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In Windows Phone 8 all files on the CD card are scanned and compatible files added to their respective filelists.
For audio and video, the compatible formats are:
Video Playback Formats;
3GPP formats (H.263), ASF, H.264/AVC, M4V, MPEG-4, VC-1, WMV
3G2, AAC, AAC LC, AMR-NB, AMR-WB, HE-AAC v1, HE-AAC v2, M4A, MP3, MP4, WMA 10 Pro, WMA 9
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