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

6aptaeulp.ASX	Advanced Stream Redirector
6aptaeulp.DTS	Digital Theater Systems Audio File
6aptaeulp.GXF	General eXchange Format
6aptaeulp.M2V	MPEG-2 Video
6aptaeulp.M3U	MP3 Uniform Resource Locator
6aptaeulp.M4V	MPEG-4 Video File
6aptaeulp.MPEG1	MPEG-1 Video
6aptaeulp.MPEG2	MPEG-2 Video
6aptaeulp.MTS	AVCHD Video File
6aptaeulp.MXF	Material eXchange Format
6aptaeulp.OGM	Ogg Multimedia Container File
6aptaeulp.PLS	Playlist
6aptaeulp.BUP	DVD Information File
6aptaeulp.A52	Dolby Digital AC-3 Compressed Audio File
6aptaeulp.AAC	Advanced Audio Coding Compressed Audio File
6aptaeulp.B4S	Winamp 3+ Playlist
6aptaeulp.CUE	Cue Sheet
6aptaeulp.DIVX	DivX Movie
6aptaeulp.DV	Digital Video
6aptaeulp.FLV	Flash Video
6aptaeulp.M1V	MPEG-1 Video
6aptaeulp.M2TS	MPEG-2 Transport Stream Videos
6aptaeulp.MKV	Matroska Video Stream
6aptaeulp.MOV	Apple QuickTime Movie
6aptaeulp.MPEG4	MPEG-4 Video
6aptaeulp.OMA	OpenMG Audio File
6aptaeulp.SPX	Ogg Speex Audio File
6aptaeulp.TS	DVD Video
6aptaeulp.VLC	VLC Media Player Data
6aptaeulp.VOB	DVD Video Object
6aptaeulp.XSPF	XML Shareable Playlist Format
6aptaeulp.DAT	VCD Video
6aptaeulp.BIN	Binary DVD Video
6aptaeulp.IFO	DVD Information File
6aptaeulp.PART	Partially Downloaded File
6aptaeulp.3G2	3G Mobile Phone Video
6aptaeulp.AVI	Audio Video Interleave
6aptaeulp.MPEG	MPEG Video
6aptaeulp.MPG	MPEG Video
6aptaeulp.FLAC	Free Lossless Audio Codec Compressed Audio FIle
6aptaeulp.M4A	MPEG-4 Audio File
6aptaeulp.MP1	MPEG-1 Audio Layer I
6aptaeulp.OGG	Ogg Multimedia Container File
6aptaeulp.WAV	Waveform Audio
6aptaeulp.XM	Extended Module Audio File
6aptaeulp.3GP	3G Mobile Phone Video
6aptaeulp.SRT	DVD Subtitles File
6aptaeulp.WMV	Windows Media Video
6aptaeulp.AC3	Dolby Digital AC-3 Compressed Audio File
6aptaeulp.ASF	Advanced Systems Format Video
6aptaeulp.MOD	MOD Audio File
6aptaeulp.MP2	MPEG-1 Audio Layer II
6aptaeulp.MP3	MPEG-1 Audio Layer 3
6aptaeulp.MP4	MPEG-4 Part 14 Multimedia Container
6aptaeulp.WMA	Windows Media Audio File
6aptaeulp.MKA	Matroska Audio Stream
6aptaeulp.M4P	Protected AAC File

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