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

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

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