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

51.ASX	Advanced Stream Redirector
51.DTS	Digital Theater Systems Audio File
51.GXF	General eXchange Format
51.M2V	MPEG-2 Video
51.M3U	MP3 Uniform Resource Locator
51.M4V	MPEG-4 Video File
51.MPEG1	MPEG-1 Video
51.MPEG2	MPEG-2 Video
51.MTS	AVCHD Video File
51.MXF	Material eXchange Format
51.OGM	Ogg Multimedia Container File
51.PLS	Playlist
51.BUP	DVD Information File
51.A52	Dolby Digital AC-3 Compressed Audio File
51.AAC	Advanced Audio Coding Compressed Audio File
51.B4S	Winamp 3+ Playlist
51.CUE	Cue Sheet
51.DIVX	DivX Movie
51.DV	Digital Video
51.FLV	Flash Video
51.M1V	MPEG-1 Video
51.M2TS	MPEG-2 Transport Stream Videos
51.MKV	Matroska Video Stream
51.MOV	Apple QuickTime Movie
51.MPEG4	MPEG-4 Video
51.OMA	OpenMG Audio File
51.SPX	Ogg Speex Audio File
51.TS	DVD Video
51.VLC	VLC Media Player Data
51.VOB	DVD Video Object
51.XSPF	XML Shareable Playlist Format
51.DAT	VCD Video
51.BIN	Binary DVD Video
51.IFO	DVD Information File
51.PART	Partially Downloaded File
51.3G2	3G Mobile Phone Video
51.AVI	Audio Video Interleave
51.MPEG	MPEG Video
51.MPG	MPEG Video
51.FLAC	Free Lossless Audio Codec Compressed Audio FIle
51.M4A	MPEG-4 Audio File
51.MP1	MPEG-1 Audio Layer I
51.OGG	Ogg Multimedia Container File
51.WAV	Waveform Audio
51.XM	Extended Module Audio File
51.3GP	3G Mobile Phone Video
51.SRT	DVD Subtitles File
51.WMV	Windows Media Video
51.AC3	Dolby Digital AC-3 Compressed Audio File
51.ASF	Advanced Systems Format Video
51.MOD	MOD Audio File
51.MP2	MPEG-1 Audio Layer II
51.MP3	MPEG-1 Audio Layer 3
51.MP4	MPEG-4 Part 14 Multimedia Container
51.WMA	Windows Media Audio File
51.MKA	Matroska Audio Stream
51.M4P	Protected AAC File

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