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

y04.ASX	Advanced Stream Redirector
y04.DTS	Digital Theater Systems Audio File
y04.GXF	General eXchange Format
y04.M2V	MPEG-2 Video
y04.M3U	MP3 Uniform Resource Locator
y04.M4V	MPEG-4 Video File
y04.MPEG1	MPEG-1 Video
y04.MPEG2	MPEG-2 Video
y04.MTS	AVCHD Video File
y04.MXF	Material eXchange Format
y04.OGM	Ogg Multimedia Container File
y04.PLS	Playlist
y04.BUP	DVD Information File
y04.A52	Dolby Digital AC-3 Compressed Audio File
y04.AAC	Advanced Audio Coding Compressed Audio File
y04.B4S	Winamp 3+ Playlist
y04.CUE	Cue Sheet
y04.DIVX	DivX Movie
y04.DV	Digital Video
y04.FLV	Flash Video
y04.M1V	MPEG-1 Video
y04.M2TS	MPEG-2 Transport Stream Videos
y04.MKV	Matroska Video Stream
y04.MOV	Apple QuickTime Movie
y04.MPEG4	MPEG-4 Video
y04.OMA	OpenMG Audio File
y04.SPX	Ogg Speex Audio File
y04.TS	DVD Video
y04.VLC	VLC Media Player Data
y04.VOB	DVD Video Object
y04.XSPF	XML Shareable Playlist Format
y04.DAT	VCD Video
y04.BIN	Binary DVD Video
y04.IFO	DVD Information File
y04.PART	Partially Downloaded File
y04.3G2	3G Mobile Phone Video
y04.AVI	Audio Video Interleave
y04.MPEG	MPEG Video
y04.MPG	MPEG Video
y04.FLAC	Free Lossless Audio Codec Compressed Audio FIle
y04.M4A	MPEG-4 Audio File
y04.MP1	MPEG-1 Audio Layer I
y04.OGG	Ogg Multimedia Container File
y04.WAV	Waveform Audio
y04.XM	Extended Module Audio File
y04.3GP	3G Mobile Phone Video
y04.SRT	DVD Subtitles File
y04.WMV	Windows Media Video
y04.AC3	Dolby Digital AC-3 Compressed Audio File
y04.ASF	Advanced Systems Format Video
y04.MOD	MOD Audio File
y04.MP2	MPEG-1 Audio Layer II
y04.MP3	MPEG-1 Audio Layer 3
y04.MP4	MPEG-4 Part 14 Multimedia Container
y04.WMA	Windows Media Audio File
y04.MKA	Matroska Audio Stream
y04.M4P	Protected AAC File

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