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

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

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