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

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

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