Documents supports playing or viewing multiple file formats:
File viewer: .pages, .keynote, .numbers, .doc/docx, .xls/xlsx, .ppt/pptx, .rtf, .rtfd, .epub, .txt, .htm/html, .webarchive; fb2;
PDF viewer: .pdf;
Text editor: .txt;
Image viewer: .bmp, .gif, .ico, .jpeg, .png, .tiff, .xbm;
Movie viewer: .3gp, .l16, .m3u, .m4v, .mm, .mov, .mp4, .scm, .avi, .mkv, .flv;
Audio player: .aac, .aif, .aifc, .aiff, .amr, .au, .l16, .m3u, .m4a, .m4b, .m4p, .mp3, .pcm, .wav, .flac;
Archiver: .zip, .rar.