VLC media player is an open source video and audio player capable of playing almost any type of media including DVDs and VCDs. In addition to being able to play most video and audio files, VLC can also post free ads without registration
File extensions that can be opened by vlc-media-player

doa.ASX	Advanced Stream Redirector
doa.DTS	Digital Theater Systems Audio File
doa.GXF	General eXchange Format
doa.M2V	MPEG-2 Video
doa.M3U	MP3 Uniform Resource Locator
doa.M4V	MPEG-4 Video File
doa.MPEG1	MPEG-1 Video
doa.MPEG2	MPEG-2 Video
doa.MTS	AVCHD Video File
doa.MXF	Material eXchange Format
doa.OGM	Ogg Multimedia Container File
doa.PLS	Playlist
doa.BUP	DVD Information File
doa.A52	Dolby Digital AC-3 Compressed Audio File
doa.AAC	Advanced Audio Coding Compressed Audio File
doa.B4S	Winamp 3+ Playlist
doa.CUE	Cue Sheet
doa.DIVX	DivX Movie
doa.DV	Digital Video
doa.FLV	Flash Video
doa.M1V	MPEG-1 Video
doa.M2TS	MPEG-2 Transport Stream Videos
doa.MKV	Matroska Video Stream
doa.MOV	Apple QuickTime Movie
doa.MPEG4	MPEG-4 Video
doa.OMA	OpenMG Audio File
doa.SPX	Ogg Speex Audio File
doa.TS	DVD Video
doa.VLC	VLC Media Player Data
doa.VOB	DVD Video Object
doa.XSPF	XML Shareable Playlist Format
doa.DAT	VCD Video
doa.BIN	Binary DVD Video
doa.IFO	DVD Information File
doa.PART	Partially Downloaded File
doa.3G2	3G Mobile Phone Video
doa.AVI	Audio Video Interleave
doa.MPEG	MPEG Video
doa.MPG	MPEG Video
doa.FLAC	Free Lossless Audio Codec Compressed Audio FIle
doa.M4A	MPEG-4 Audio File
doa.MP1	MPEG-1 Audio Layer I
doa.OGG	Ogg Multimedia Container File
doa.WAV	Waveform Audio
doa.XM	Extended Module Audio File
doa.3GP	3G Mobile Phone Video
doa.SRT	DVD Subtitles File
doa.WMV	Windows Media Video
doa.AC3	Dolby Digital AC-3 Compressed Audio File
doa.ASF	Advanced Systems Format Video
doa.MOD	MOD Audio File
doa.MP2	MPEG-1 Audio Layer II
doa.MP3	MPEG-1 Audio Layer 3
doa.MP4	MPEG-4 Part 14 Multimedia Container
doa.WMA	Windows Media Audio File
doa.MKA	Matroska Audio Stream
doa.M4P	Protected AAC File

adoa   bdoa   cdoa   ddoa   edoa   fdoa   gdoa   hdoa   idoa   jdoa   kdoa   ldoa   mdoa   ndoa   odoa   pdoa   qdoa   rdoa   sdoa   tdoa   udoa   vdoa   wdoa   xdoa   ydoa   zdoa   0doa   1doa   2doa   3doa   4doa   5doa   6doa   7doa   8doa   9doa