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

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

ayl   byl   cyl   dyl   eyl   fyl   gyl   hyl   iyl   jyl   kyl   lyl   myl   nyl   oyl   pyl   qyl   ryl   syl   tyl   uyl   vyl   wyl   xyl   yyl   zyl   0yl   1yl   2yl   3yl   4yl   5yl   6yl   7yl   8yl   9yl