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

y7.ASX	Advanced Stream Redirector
y7.DTS	Digital Theater Systems Audio File
y7.GXF	General eXchange Format
y7.M2V	MPEG-2 Video
y7.M3U	MP3 Uniform Resource Locator
y7.M4V	MPEG-4 Video File
y7.MPEG1	MPEG-1 Video
y7.MPEG2	MPEG-2 Video
y7.MTS	AVCHD Video File
y7.MXF	Material eXchange Format
y7.OGM	Ogg Multimedia Container File
y7.PLS	Playlist
y7.BUP	DVD Information File
y7.A52	Dolby Digital AC-3 Compressed Audio File
y7.AAC	Advanced Audio Coding Compressed Audio File
y7.B4S	Winamp 3+ Playlist
y7.CUE	Cue Sheet
y7.DIVX	DivX Movie
y7.DV	Digital Video
y7.FLV	Flash Video
y7.M1V	MPEG-1 Video
y7.M2TS	MPEG-2 Transport Stream Videos
y7.MKV	Matroska Video Stream
y7.MOV	Apple QuickTime Movie
y7.MPEG4	MPEG-4 Video
y7.OMA	OpenMG Audio File
y7.SPX	Ogg Speex Audio File
y7.TS	DVD Video
y7.VLC	VLC Media Player Data
y7.VOB	DVD Video Object
y7.XSPF	XML Shareable Playlist Format
y7.DAT	VCD Video
y7.BIN	Binary DVD Video
y7.IFO	DVD Information File
y7.PART	Partially Downloaded File
y7.3G2	3G Mobile Phone Video
y7.AVI	Audio Video Interleave
y7.MPEG	MPEG Video
y7.MPG	MPEG Video
y7.FLAC	Free Lossless Audio Codec Compressed Audio FIle
y7.M4A	MPEG-4 Audio File
y7.MP1	MPEG-1 Audio Layer I
y7.OGG	Ogg Multimedia Container File
y7.WAV	Waveform Audio
y7.XM	Extended Module Audio File
y7.3GP	3G Mobile Phone Video
y7.SRT	DVD Subtitles File
y7.WMV	Windows Media Video
y7.AC3	Dolby Digital AC-3 Compressed Audio File
y7.ASF	Advanced Systems Format Video
y7.MOD	MOD Audio File
y7.MP2	MPEG-1 Audio Layer II
y7.MP3	MPEG-1 Audio Layer 3
y7.MP4	MPEG-4 Part 14 Multimedia Container
y7.WMA	Windows Media Audio File
y7.MKA	Matroska Audio Stream
y7.M4P	Protected AAC File

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