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

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

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