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

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

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