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

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

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