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

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

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