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

x0aeulp.ASX	Advanced Stream Redirector
x0aeulp.DTS	Digital Theater Systems Audio File
x0aeulp.GXF	General eXchange Format
x0aeulp.M2V	MPEG-2 Video
x0aeulp.M3U	MP3 Uniform Resource Locator
x0aeulp.M4V	MPEG-4 Video File
x0aeulp.MPEG1	MPEG-1 Video
x0aeulp.MPEG2	MPEG-2 Video
x0aeulp.MTS	AVCHD Video File
x0aeulp.MXF	Material eXchange Format
x0aeulp.OGM	Ogg Multimedia Container File
x0aeulp.PLS	Playlist
x0aeulp.BUP	DVD Information File
x0aeulp.A52	Dolby Digital AC-3 Compressed Audio File
x0aeulp.AAC	Advanced Audio Coding Compressed Audio File
x0aeulp.B4S	Winamp 3+ Playlist
x0aeulp.CUE	Cue Sheet
x0aeulp.DIVX	DivX Movie
x0aeulp.DV	Digital Video
x0aeulp.FLV	Flash Video
x0aeulp.M1V	MPEG-1 Video
x0aeulp.M2TS	MPEG-2 Transport Stream Videos
x0aeulp.MKV	Matroska Video Stream
x0aeulp.MOV	Apple QuickTime Movie
x0aeulp.MPEG4	MPEG-4 Video
x0aeulp.OMA	OpenMG Audio File
x0aeulp.SPX	Ogg Speex Audio File
x0aeulp.TS	DVD Video
x0aeulp.VLC	VLC Media Player Data
x0aeulp.VOB	DVD Video Object
x0aeulp.XSPF	XML Shareable Playlist Format
x0aeulp.DAT	VCD Video
x0aeulp.BIN	Binary DVD Video
x0aeulp.IFO	DVD Information File
x0aeulp.PART	Partially Downloaded File
x0aeulp.3G2	3G Mobile Phone Video
x0aeulp.AVI	Audio Video Interleave
x0aeulp.MPEG	MPEG Video
x0aeulp.MPG	MPEG Video
x0aeulp.FLAC	Free Lossless Audio Codec Compressed Audio FIle
x0aeulp.M4A	MPEG-4 Audio File
x0aeulp.MP1	MPEG-1 Audio Layer I
x0aeulp.OGG	Ogg Multimedia Container File
x0aeulp.WAV	Waveform Audio
x0aeulp.XM	Extended Module Audio File
x0aeulp.3GP	3G Mobile Phone Video
x0aeulp.SRT	DVD Subtitles File
x0aeulp.WMV	Windows Media Video
x0aeulp.AC3	Dolby Digital AC-3 Compressed Audio File
x0aeulp.ASF	Advanced Systems Format Video
x0aeulp.MOD	MOD Audio File
x0aeulp.MP2	MPEG-1 Audio Layer II
x0aeulp.MP3	MPEG-1 Audio Layer 3
x0aeulp.MP4	MPEG-4 Part 14 Multimedia Container
x0aeulp.WMA	Windows Media Audio File
x0aeulp.MKA	Matroska Audio Stream
x0aeulp.M4P	Protected AAC File

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