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

03.ASX	Advanced Stream Redirector
03.DTS	Digital Theater Systems Audio File
03.GXF	General eXchange Format
03.M2V	MPEG-2 Video
03.M3U	MP3 Uniform Resource Locator
03.M4V	MPEG-4 Video File
03.MPEG1	MPEG-1 Video
03.MPEG2	MPEG-2 Video
03.MTS	AVCHD Video File
03.MXF	Material eXchange Format
03.OGM	Ogg Multimedia Container File
03.PLS	Playlist
03.BUP	DVD Information File
03.A52	Dolby Digital AC-3 Compressed Audio File
03.AAC	Advanced Audio Coding Compressed Audio File
03.B4S	Winamp 3+ Playlist
03.CUE	Cue Sheet
03.DIVX	DivX Movie
03.DV	Digital Video
03.FLV	Flash Video
03.M1V	MPEG-1 Video
03.M2TS	MPEG-2 Transport Stream Videos
03.MKV	Matroska Video Stream
03.MOV	Apple QuickTime Movie
03.MPEG4	MPEG-4 Video
03.OMA	OpenMG Audio File
03.SPX	Ogg Speex Audio File
03.TS	DVD Video
03.VLC	VLC Media Player Data
03.VOB	DVD Video Object
03.XSPF	XML Shareable Playlist Format
03.DAT	VCD Video
03.BIN	Binary DVD Video
03.IFO	DVD Information File
03.PART	Partially Downloaded File
03.3G2	3G Mobile Phone Video
03.AVI	Audio Video Interleave
03.MPEG	MPEG Video
03.MPG	MPEG Video
03.FLAC	Free Lossless Audio Codec Compressed Audio FIle
03.M4A	MPEG-4 Audio File
03.MP1	MPEG-1 Audio Layer I
03.OGG	Ogg Multimedia Container File
03.WAV	Waveform Audio
03.XM	Extended Module Audio File
03.3GP	3G Mobile Phone Video
03.SRT	DVD Subtitles File
03.WMV	Windows Media Video
03.AC3	Dolby Digital AC-3 Compressed Audio File
03.ASF	Advanced Systems Format Video
03.MOD	MOD Audio File
03.MP2	MPEG-1 Audio Layer II
03.MP3	MPEG-1 Audio Layer 3
03.MP4	MPEG-4 Part 14 Multimedia Container
03.WMA	Windows Media Audio File
03.MKA	Matroska Audio Stream
03.M4P	Protected AAC File

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