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

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

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