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

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

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