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

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

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