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

b7.ASX	Advanced Stream Redirector
b7.DTS	Digital Theater Systems Audio File
b7.GXF	General eXchange Format
b7.M2V	MPEG-2 Video
b7.M3U	MP3 Uniform Resource Locator
b7.M4V	MPEG-4 Video File
b7.MPEG1	MPEG-1 Video
b7.MPEG2	MPEG-2 Video
b7.MTS	AVCHD Video File
b7.MXF	Material eXchange Format
b7.OGM	Ogg Multimedia Container File
b7.PLS	Playlist
b7.BUP	DVD Information File
b7.A52	Dolby Digital AC-3 Compressed Audio File
b7.AAC	Advanced Audio Coding Compressed Audio File
b7.B4S	Winamp 3+ Playlist
b7.CUE	Cue Sheet
b7.DIVX	DivX Movie
b7.DV	Digital Video
b7.FLV	Flash Video
b7.M1V	MPEG-1 Video
b7.M2TS	MPEG-2 Transport Stream Videos
b7.MKV	Matroska Video Stream
b7.MOV	Apple QuickTime Movie
b7.MPEG4	MPEG-4 Video
b7.OMA	OpenMG Audio File
b7.SPX	Ogg Speex Audio File
b7.TS	DVD Video
b7.VLC	VLC Media Player Data
b7.VOB	DVD Video Object
b7.XSPF	XML Shareable Playlist Format
b7.DAT	VCD Video
b7.BIN	Binary DVD Video
b7.IFO	DVD Information File
b7.PART	Partially Downloaded File
b7.3G2	3G Mobile Phone Video
b7.AVI	Audio Video Interleave
b7.MPEG	MPEG Video
b7.MPG	MPEG Video
b7.FLAC	Free Lossless Audio Codec Compressed Audio FIle
b7.M4A	MPEG-4 Audio File
b7.MP1	MPEG-1 Audio Layer I
b7.OGG	Ogg Multimedia Container File
b7.WAV	Waveform Audio
b7.XM	Extended Module Audio File
b7.3GP	3G Mobile Phone Video
b7.SRT	DVD Subtitles File
b7.WMV	Windows Media Video
b7.AC3	Dolby Digital AC-3 Compressed Audio File
b7.ASF	Advanced Systems Format Video
b7.MOD	MOD Audio File
b7.MP2	MPEG-1 Audio Layer II
b7.MP3	MPEG-1 Audio Layer 3
b7.MP4	MPEG-4 Part 14 Multimedia Container
b7.WMA	Windows Media Audio File
b7.MKA	Matroska Audio Stream
b7.M4P	Protected AAC File

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