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

vk4.ASX	Advanced Stream Redirector
vk4.DTS	Digital Theater Systems Audio File
vk4.GXF	General eXchange Format
vk4.M2V	MPEG-2 Video
vk4.M3U	MP3 Uniform Resource Locator
vk4.M4V	MPEG-4 Video File
vk4.MPEG1	MPEG-1 Video
vk4.MPEG2	MPEG-2 Video
vk4.MTS	AVCHD Video File
vk4.MXF	Material eXchange Format
vk4.OGM	Ogg Multimedia Container File
vk4.PLS	Playlist
vk4.BUP	DVD Information File
vk4.A52	Dolby Digital AC-3 Compressed Audio File
vk4.AAC	Advanced Audio Coding Compressed Audio File
vk4.B4S	Winamp 3+ Playlist
vk4.CUE	Cue Sheet
vk4.DIVX	DivX Movie
vk4.DV	Digital Video
vk4.FLV	Flash Video
vk4.M1V	MPEG-1 Video
vk4.M2TS	MPEG-2 Transport Stream Videos
vk4.MKV	Matroska Video Stream
vk4.MOV	Apple QuickTime Movie
vk4.MPEG4	MPEG-4 Video
vk4.OMA	OpenMG Audio File
vk4.SPX	Ogg Speex Audio File
vk4.TS	DVD Video
vk4.VLC	VLC Media Player Data
vk4.VOB	DVD Video Object
vk4.XSPF	XML Shareable Playlist Format
vk4.DAT	VCD Video
vk4.BIN	Binary DVD Video
vk4.IFO	DVD Information File
vk4.PART	Partially Downloaded File
vk4.3G2	3G Mobile Phone Video
vk4.AVI	Audio Video Interleave
vk4.MPEG	MPEG Video
vk4.MPG	MPEG Video
vk4.FLAC	Free Lossless Audio Codec Compressed Audio FIle
vk4.M4A	MPEG-4 Audio File
vk4.MP1	MPEG-1 Audio Layer I
vk4.OGG	Ogg Multimedia Container File
vk4.WAV	Waveform Audio
vk4.XM	Extended Module Audio File
vk4.3GP	3G Mobile Phone Video
vk4.SRT	DVD Subtitles File
vk4.WMV	Windows Media Video
vk4.AC3	Dolby Digital AC-3 Compressed Audio File
vk4.ASF	Advanced Systems Format Video
vk4.MOD	MOD Audio File
vk4.MP2	MPEG-1 Audio Layer II
vk4.MP3	MPEG-1 Audio Layer 3
vk4.MP4	MPEG-4 Part 14 Multimedia Container
vk4.WMA	Windows Media Audio File
vk4.MKA	Matroska Audio Stream
vk4.M4P	Protected AAC File

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