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

4c9.ASX	Advanced Stream Redirector
4c9.DTS	Digital Theater Systems Audio File
4c9.GXF	General eXchange Format
4c9.M2V	MPEG-2 Video
4c9.M3U	MP3 Uniform Resource Locator
4c9.M4V	MPEG-4 Video File
4c9.MPEG1	MPEG-1 Video
4c9.MPEG2	MPEG-2 Video
4c9.MTS	AVCHD Video File
4c9.MXF	Material eXchange Format
4c9.OGM	Ogg Multimedia Container File
4c9.PLS	Playlist
4c9.BUP	DVD Information File
4c9.A52	Dolby Digital AC-3 Compressed Audio File
4c9.AAC	Advanced Audio Coding Compressed Audio File
4c9.B4S	Winamp 3+ Playlist
4c9.CUE	Cue Sheet
4c9.DIVX	DivX Movie
4c9.DV	Digital Video
4c9.FLV	Flash Video
4c9.M1V	MPEG-1 Video
4c9.M2TS	MPEG-2 Transport Stream Videos
4c9.MKV	Matroska Video Stream
4c9.MOV	Apple QuickTime Movie
4c9.MPEG4	MPEG-4 Video
4c9.OMA	OpenMG Audio File
4c9.SPX	Ogg Speex Audio File
4c9.TS	DVD Video
4c9.VLC	VLC Media Player Data
4c9.VOB	DVD Video Object
4c9.XSPF	XML Shareable Playlist Format
4c9.DAT	VCD Video
4c9.BIN	Binary DVD Video
4c9.IFO	DVD Information File
4c9.PART	Partially Downloaded File
4c9.3G2	3G Mobile Phone Video
4c9.AVI	Audio Video Interleave
4c9.MPEG	MPEG Video
4c9.MPG	MPEG Video
4c9.FLAC	Free Lossless Audio Codec Compressed Audio FIle
4c9.M4A	MPEG-4 Audio File
4c9.MP1	MPEG-1 Audio Layer I
4c9.OGG	Ogg Multimedia Container File
4c9.WAV	Waveform Audio
4c9.XM	Extended Module Audio File
4c9.3GP	3G Mobile Phone Video
4c9.SRT	DVD Subtitles File
4c9.WMV	Windows Media Video
4c9.AC3	Dolby Digital AC-3 Compressed Audio File
4c9.ASF	Advanced Systems Format Video
4c9.MOD	MOD Audio File
4c9.MP2	MPEG-1 Audio Layer II
4c9.MP3	MPEG-1 Audio Layer 3
4c9.MP4	MPEG-4 Part 14 Multimedia Container
4c9.WMA	Windows Media Audio File
4c9.MKA	Matroska Audio Stream
4c9.M4P	Protected AAC File

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