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

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

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