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

80.ASX	Advanced Stream Redirector
80.DTS	Digital Theater Systems Audio File
80.GXF	General eXchange Format
80.M2V	MPEG-2 Video
80.M3U	MP3 Uniform Resource Locator
80.M4V	MPEG-4 Video File
80.MPEG1	MPEG-1 Video
80.MPEG2	MPEG-2 Video
80.MTS	AVCHD Video File
80.MXF	Material eXchange Format
80.OGM	Ogg Multimedia Container File
80.PLS	Playlist
80.BUP	DVD Information File
80.A52	Dolby Digital AC-3 Compressed Audio File
80.AAC	Advanced Audio Coding Compressed Audio File
80.B4S	Winamp 3+ Playlist
80.CUE	Cue Sheet
80.DIVX	DivX Movie
80.DV	Digital Video
80.FLV	Flash Video
80.M1V	MPEG-1 Video
80.M2TS	MPEG-2 Transport Stream Videos
80.MKV	Matroska Video Stream
80.MOV	Apple QuickTime Movie
80.MPEG4	MPEG-4 Video
80.OMA	OpenMG Audio File
80.SPX	Ogg Speex Audio File
80.TS	DVD Video
80.VLC	VLC Media Player Data
80.VOB	DVD Video Object
80.XSPF	XML Shareable Playlist Format
80.DAT	VCD Video
80.BIN	Binary DVD Video
80.IFO	DVD Information File
80.PART	Partially Downloaded File
80.3G2	3G Mobile Phone Video
80.AVI	Audio Video Interleave
80.MPEG	MPEG Video
80.MPG	MPEG Video
80.FLAC	Free Lossless Audio Codec Compressed Audio FIle
80.M4A	MPEG-4 Audio File
80.MP1	MPEG-1 Audio Layer I
80.OGG	Ogg Multimedia Container File
80.WAV	Waveform Audio
80.XM	Extended Module Audio File
80.3GP	3G Mobile Phone Video
80.SRT	DVD Subtitles File
80.WMV	Windows Media Video
80.AC3	Dolby Digital AC-3 Compressed Audio File
80.ASF	Advanced Systems Format Video
80.MOD	MOD Audio File
80.MP2	MPEG-1 Audio Layer II
80.MP3	MPEG-1 Audio Layer 3
80.MP4	MPEG-4 Part 14 Multimedia Container
80.WMA	Windows Media Audio File
80.MKA	Matroska Audio Stream
80.M4P	Protected AAC File

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