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

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

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