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

l83.ASX	Advanced Stream Redirector
l83.DTS	Digital Theater Systems Audio File
l83.GXF	General eXchange Format
l83.M2V	MPEG-2 Video
l83.M3U	MP3 Uniform Resource Locator
l83.M4V	MPEG-4 Video File
l83.MPEG1	MPEG-1 Video
l83.MPEG2	MPEG-2 Video
l83.MTS	AVCHD Video File
l83.MXF	Material eXchange Format
l83.OGM	Ogg Multimedia Container File
l83.PLS	Playlist
l83.BUP	DVD Information File
l83.A52	Dolby Digital AC-3 Compressed Audio File
l83.AAC	Advanced Audio Coding Compressed Audio File
l83.B4S	Winamp 3+ Playlist
l83.CUE	Cue Sheet
l83.DIVX	DivX Movie
l83.DV	Digital Video
l83.FLV	Flash Video
l83.M1V	MPEG-1 Video
l83.M2TS	MPEG-2 Transport Stream Videos
l83.MKV	Matroska Video Stream
l83.MOV	Apple QuickTime Movie
l83.MPEG4	MPEG-4 Video
l83.OMA	OpenMG Audio File
l83.SPX	Ogg Speex Audio File
l83.TS	DVD Video
l83.VLC	VLC Media Player Data
l83.VOB	DVD Video Object
l83.XSPF	XML Shareable Playlist Format
l83.DAT	VCD Video
l83.BIN	Binary DVD Video
l83.IFO	DVD Information File
l83.PART	Partially Downloaded File
l83.3G2	3G Mobile Phone Video
l83.AVI	Audio Video Interleave
l83.MPEG	MPEG Video
l83.MPG	MPEG Video
l83.FLAC	Free Lossless Audio Codec Compressed Audio FIle
l83.M4A	MPEG-4 Audio File
l83.MP1	MPEG-1 Audio Layer I
l83.OGG	Ogg Multimedia Container File
l83.WAV	Waveform Audio
l83.XM	Extended Module Audio File
l83.3GP	3G Mobile Phone Video
l83.SRT	DVD Subtitles File
l83.WMV	Windows Media Video
l83.AC3	Dolby Digital AC-3 Compressed Audio File
l83.ASF	Advanced Systems Format Video
l83.MOD	MOD Audio File
l83.MP2	MPEG-1 Audio Layer II
l83.MP3	MPEG-1 Audio Layer 3
l83.MP4	MPEG-4 Part 14 Multimedia Container
l83.WMA	Windows Media Audio File
l83.MKA	Matroska Audio Stream
l83.M4P	Protected AAC File

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