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

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

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