Video (Android)-3GP, AVI, FLV, MKV, MOV, MP4,

     MPG, RM, RMVB, WMV

Video (iOS)-M4V, MP4, MOV

Audio-AAC,M4A,AC3,APE,FLAC,M4R,MP3,OGG

Image-BMP, GIF, JPG, PNG, ICO

Documents-TXT, PDF, DOC/DOCX (Word),

     PPT/PPTX (PowerPoint), XLS/XLSX (Excel)