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

t1.ASX	Advanced Stream Redirector
t1.DTS	Digital Theater Systems Audio File
t1.GXF	General eXchange Format
t1.M2V	MPEG-2 Video
t1.M3U	MP3 Uniform Resource Locator
t1.M4V	MPEG-4 Video File
t1.MPEG1	MPEG-1 Video
t1.MPEG2	MPEG-2 Video
t1.MTS	AVCHD Video File
t1.MXF	Material eXchange Format
t1.OGM	Ogg Multimedia Container File
t1.PLS	Playlist
t1.BUP	DVD Information File
t1.A52	Dolby Digital AC-3 Compressed Audio File
t1.AAC	Advanced Audio Coding Compressed Audio File
t1.B4S	Winamp 3+ Playlist
t1.CUE	Cue Sheet
t1.DIVX	DivX Movie
t1.DV	Digital Video
t1.FLV	Flash Video
t1.M1V	MPEG-1 Video
t1.M2TS	MPEG-2 Transport Stream Videos
t1.MKV	Matroska Video Stream
t1.MOV	Apple QuickTime Movie
t1.MPEG4	MPEG-4 Video
t1.OMA	OpenMG Audio File
t1.SPX	Ogg Speex Audio File
t1.TS	DVD Video
t1.VLC	VLC Media Player Data
t1.VOB	DVD Video Object
t1.XSPF	XML Shareable Playlist Format
t1.DAT	VCD Video
t1.BIN	Binary DVD Video
t1.IFO	DVD Information File
t1.PART	Partially Downloaded File
t1.3G2	3G Mobile Phone Video
t1.AVI	Audio Video Interleave
t1.MPEG	MPEG Video
t1.MPG	MPEG Video
t1.FLAC	Free Lossless Audio Codec Compressed Audio FIle
t1.M4A	MPEG-4 Audio File
t1.MP1	MPEG-1 Audio Layer I
t1.OGG	Ogg Multimedia Container File
t1.WAV	Waveform Audio
t1.XM	Extended Module Audio File
t1.3GP	3G Mobile Phone Video
t1.SRT	DVD Subtitles File
t1.WMV	Windows Media Video
t1.AC3	Dolby Digital AC-3 Compressed Audio File
t1.ASF	Advanced Systems Format Video
t1.MOD	MOD Audio File
t1.MP2	MPEG-1 Audio Layer II
t1.MP3	MPEG-1 Audio Layer 3
t1.MP4	MPEG-4 Part 14 Multimedia Container
t1.WMA	Windows Media Audio File
t1.MKA	Matroska Audio Stream
t1.M4P	Protected AAC File

at1   bt1   ct1   dt1   et1   ft1   gt1   ht1   it1   jt1   kt1   lt1   mt1   nt1   ot1   pt1   qt1   rt1   st1   tt1   ut1   vt1   wt1   xt1   yt1   zt1   0t1   1t1   2t1   3t1   4t1   5t1   6t1   7t1   8t1   9t1