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

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

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