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

m4.ASX	Advanced Stream Redirector
m4.DTS	Digital Theater Systems Audio File
m4.GXF	General eXchange Format
m4.M2V	MPEG-2 Video
m4.M3U	MP3 Uniform Resource Locator
m4.M4V	MPEG-4 Video File
m4.MPEG1	MPEG-1 Video
m4.MPEG2	MPEG-2 Video
m4.MTS	AVCHD Video File
m4.MXF	Material eXchange Format
m4.OGM	Ogg Multimedia Container File
m4.PLS	Playlist
m4.BUP	DVD Information File
m4.A52	Dolby Digital AC-3 Compressed Audio File
m4.AAC	Advanced Audio Coding Compressed Audio File
m4.B4S	Winamp 3+ Playlist
m4.CUE	Cue Sheet
m4.DIVX	DivX Movie
m4.DV	Digital Video
m4.FLV	Flash Video
m4.M1V	MPEG-1 Video
m4.M2TS	MPEG-2 Transport Stream Videos
m4.MKV	Matroska Video Stream
m4.MOV	Apple QuickTime Movie
m4.MPEG4	MPEG-4 Video
m4.OMA	OpenMG Audio File
m4.SPX	Ogg Speex Audio File
m4.TS	DVD Video
m4.VLC	VLC Media Player Data
m4.VOB	DVD Video Object
m4.XSPF	XML Shareable Playlist Format
m4.DAT	VCD Video
m4.BIN	Binary DVD Video
m4.IFO	DVD Information File
m4.PART	Partially Downloaded File
m4.3G2	3G Mobile Phone Video
m4.AVI	Audio Video Interleave
m4.MPEG	MPEG Video
m4.MPG	MPEG Video
m4.FLAC	Free Lossless Audio Codec Compressed Audio FIle
m4.M4A	MPEG-4 Audio File
m4.MP1	MPEG-1 Audio Layer I
m4.OGG	Ogg Multimedia Container File
m4.WAV	Waveform Audio
m4.XM	Extended Module Audio File
m4.3GP	3G Mobile Phone Video
m4.SRT	DVD Subtitles File
m4.WMV	Windows Media Video
m4.AC3	Dolby Digital AC-3 Compressed Audio File
m4.ASF	Advanced Systems Format Video
m4.MOD	MOD Audio File
m4.MP2	MPEG-1 Audio Layer II
m4.MP3	MPEG-1 Audio Layer 3
m4.MP4	MPEG-4 Part 14 Multimedia Container
m4.WMA	Windows Media Audio File
m4.MKA	Matroska Audio Stream
m4.M4P	Protected AAC File

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