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

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

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