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

b0.ASX	Advanced Stream Redirector
b0.DTS	Digital Theater Systems Audio File
b0.GXF	General eXchange Format
b0.M2V	MPEG-2 Video
b0.M3U	MP3 Uniform Resource Locator
b0.M4V	MPEG-4 Video File
b0.MPEG1	MPEG-1 Video
b0.MPEG2	MPEG-2 Video
b0.MTS	AVCHD Video File
b0.MXF	Material eXchange Format
b0.OGM	Ogg Multimedia Container File
b0.PLS	Playlist
b0.BUP	DVD Information File
b0.A52	Dolby Digital AC-3 Compressed Audio File
b0.AAC	Advanced Audio Coding Compressed Audio File
b0.B4S	Winamp 3+ Playlist
b0.CUE	Cue Sheet
b0.DIVX	DivX Movie
b0.DV	Digital Video
b0.FLV	Flash Video
b0.M1V	MPEG-1 Video
b0.M2TS	MPEG-2 Transport Stream Videos
b0.MKV	Matroska Video Stream
b0.MOV	Apple QuickTime Movie
b0.MPEG4	MPEG-4 Video
b0.OMA	OpenMG Audio File
b0.SPX	Ogg Speex Audio File
b0.TS	DVD Video
b0.VLC	VLC Media Player Data
b0.VOB	DVD Video Object
b0.XSPF	XML Shareable Playlist Format
b0.DAT	VCD Video
b0.BIN	Binary DVD Video
b0.IFO	DVD Information File
b0.PART	Partially Downloaded File
b0.3G2	3G Mobile Phone Video
b0.AVI	Audio Video Interleave
b0.MPEG	MPEG Video
b0.MPG	MPEG Video
b0.FLAC	Free Lossless Audio Codec Compressed Audio FIle
b0.M4A	MPEG-4 Audio File
b0.MP1	MPEG-1 Audio Layer I
b0.OGG	Ogg Multimedia Container File
b0.WAV	Waveform Audio
b0.XM	Extended Module Audio File
b0.3GP	3G Mobile Phone Video
b0.SRT	DVD Subtitles File
b0.WMV	Windows Media Video
b0.AC3	Dolby Digital AC-3 Compressed Audio File
b0.ASF	Advanced Systems Format Video
b0.MOD	MOD Audio File
b0.MP2	MPEG-1 Audio Layer II
b0.MP3	MPEG-1 Audio Layer 3
b0.MP4	MPEG-4 Part 14 Multimedia Container
b0.WMA	Windows Media Audio File
b0.MKA	Matroska Audio Stream
b0.M4P	Protected AAC File

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