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

8h4.ASX	Advanced Stream Redirector
8h4.DTS	Digital Theater Systems Audio File
8h4.GXF	General eXchange Format
8h4.M2V	MPEG-2 Video
8h4.M3U	MP3 Uniform Resource Locator
8h4.M4V	MPEG-4 Video File
8h4.MPEG1	MPEG-1 Video
8h4.MPEG2	MPEG-2 Video
8h4.MTS	AVCHD Video File
8h4.MXF	Material eXchange Format
8h4.OGM	Ogg Multimedia Container File
8h4.PLS	Playlist
8h4.BUP	DVD Information File
8h4.A52	Dolby Digital AC-3 Compressed Audio File
8h4.AAC	Advanced Audio Coding Compressed Audio File
8h4.B4S	Winamp 3+ Playlist
8h4.CUE	Cue Sheet
8h4.DIVX	DivX Movie
8h4.DV	Digital Video
8h4.FLV	Flash Video
8h4.M1V	MPEG-1 Video
8h4.M2TS	MPEG-2 Transport Stream Videos
8h4.MKV	Matroska Video Stream
8h4.MOV	Apple QuickTime Movie
8h4.MPEG4	MPEG-4 Video
8h4.OMA	OpenMG Audio File
8h4.SPX	Ogg Speex Audio File
8h4.TS	DVD Video
8h4.VLC	VLC Media Player Data
8h4.VOB	DVD Video Object
8h4.XSPF	XML Shareable Playlist Format
8h4.DAT	VCD Video
8h4.BIN	Binary DVD Video
8h4.IFO	DVD Information File
8h4.PART	Partially Downloaded File
8h4.3G2	3G Mobile Phone Video
8h4.AVI	Audio Video Interleave
8h4.MPEG	MPEG Video
8h4.MPG	MPEG Video
8h4.FLAC	Free Lossless Audio Codec Compressed Audio FIle
8h4.M4A	MPEG-4 Audio File
8h4.MP1	MPEG-1 Audio Layer I
8h4.OGG	Ogg Multimedia Container File
8h4.WAV	Waveform Audio
8h4.XM	Extended Module Audio File
8h4.3GP	3G Mobile Phone Video
8h4.SRT	DVD Subtitles File
8h4.WMV	Windows Media Video
8h4.AC3	Dolby Digital AC-3 Compressed Audio File
8h4.ASF	Advanced Systems Format Video
8h4.MOD	MOD Audio File
8h4.MP2	MPEG-1 Audio Layer II
8h4.MP3	MPEG-1 Audio Layer 3
8h4.MP4	MPEG-4 Part 14 Multimedia Container
8h4.WMA	Windows Media Audio File
8h4.MKA	Matroska Audio Stream
8h4.M4P	Protected AAC File

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