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

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

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