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

u4.ASX	Advanced Stream Redirector
u4.DTS	Digital Theater Systems Audio File
u4.GXF	General eXchange Format
u4.M2V	MPEG-2 Video
u4.M3U	MP3 Uniform Resource Locator
u4.M4V	MPEG-4 Video File
u4.MPEG1	MPEG-1 Video
u4.MPEG2	MPEG-2 Video
u4.MTS	AVCHD Video File
u4.MXF	Material eXchange Format
u4.OGM	Ogg Multimedia Container File
u4.PLS	Playlist
u4.BUP	DVD Information File
u4.A52	Dolby Digital AC-3 Compressed Audio File
u4.AAC	Advanced Audio Coding Compressed Audio File
u4.B4S	Winamp 3+ Playlist
u4.CUE	Cue Sheet
u4.DIVX	DivX Movie
u4.DV	Digital Video
u4.FLV	Flash Video
u4.M1V	MPEG-1 Video
u4.M2TS	MPEG-2 Transport Stream Videos
u4.MKV	Matroska Video Stream
u4.MOV	Apple QuickTime Movie
u4.MPEG4	MPEG-4 Video
u4.OMA	OpenMG Audio File
u4.SPX	Ogg Speex Audio File
u4.TS	DVD Video
u4.VLC	VLC Media Player Data
u4.VOB	DVD Video Object
u4.XSPF	XML Shareable Playlist Format
u4.DAT	VCD Video
u4.BIN	Binary DVD Video
u4.IFO	DVD Information File
u4.PART	Partially Downloaded File
u4.3G2	3G Mobile Phone Video
u4.AVI	Audio Video Interleave
u4.MPEG	MPEG Video
u4.MPG	MPEG Video
u4.FLAC	Free Lossless Audio Codec Compressed Audio FIle
u4.M4A	MPEG-4 Audio File
u4.MP1	MPEG-1 Audio Layer I
u4.OGG	Ogg Multimedia Container File
u4.WAV	Waveform Audio
u4.XM	Extended Module Audio File
u4.3GP	3G Mobile Phone Video
u4.SRT	DVD Subtitles File
u4.WMV	Windows Media Video
u4.AC3	Dolby Digital AC-3 Compressed Audio File
u4.ASF	Advanced Systems Format Video
u4.MOD	MOD Audio File
u4.MP2	MPEG-1 Audio Layer II
u4.MP3	MPEG-1 Audio Layer 3
u4.MP4	MPEG-4 Part 14 Multimedia Container
u4.WMA	Windows Media Audio File
u4.MKA	Matroska Audio Stream
u4.M4P	Protected AAC File

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