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

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

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