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

41a.ASX	Advanced Stream Redirector
41a.DTS	Digital Theater Systems Audio File
41a.GXF	General eXchange Format
41a.M2V	MPEG-2 Video
41a.M3U	MP3 Uniform Resource Locator
41a.M4V	MPEG-4 Video File
41a.MPEG1	MPEG-1 Video
41a.MPEG2	MPEG-2 Video
41a.MTS	AVCHD Video File
41a.MXF	Material eXchange Format
41a.OGM	Ogg Multimedia Container File
41a.PLS	Playlist
41a.BUP	DVD Information File
41a.A52	Dolby Digital AC-3 Compressed Audio File
41a.AAC	Advanced Audio Coding Compressed Audio File
41a.B4S	Winamp 3+ Playlist
41a.CUE	Cue Sheet
41a.DIVX	DivX Movie
41a.DV	Digital Video
41a.FLV	Flash Video
41a.M1V	MPEG-1 Video
41a.M2TS	MPEG-2 Transport Stream Videos
41a.MKV	Matroska Video Stream
41a.MOV	Apple QuickTime Movie
41a.MPEG4	MPEG-4 Video
41a.OMA	OpenMG Audio File
41a.SPX	Ogg Speex Audio File
41a.TS	DVD Video
41a.VLC	VLC Media Player Data
41a.VOB	DVD Video Object
41a.XSPF	XML Shareable Playlist Format
41a.DAT	VCD Video
41a.BIN	Binary DVD Video
41a.IFO	DVD Information File
41a.PART	Partially Downloaded File
41a.3G2	3G Mobile Phone Video
41a.AVI	Audio Video Interleave
41a.MPEG	MPEG Video
41a.MPG	MPEG Video
41a.FLAC	Free Lossless Audio Codec Compressed Audio FIle
41a.M4A	MPEG-4 Audio File
41a.MP1	MPEG-1 Audio Layer I
41a.OGG	Ogg Multimedia Container File
41a.WAV	Waveform Audio
41a.XM	Extended Module Audio File
41a.3GP	3G Mobile Phone Video
41a.SRT	DVD Subtitles File
41a.WMV	Windows Media Video
41a.AC3	Dolby Digital AC-3 Compressed Audio File
41a.ASF	Advanced Systems Format Video
41a.MOD	MOD Audio File
41a.MP2	MPEG-1 Audio Layer II
41a.MP3	MPEG-1 Audio Layer 3
41a.MP4	MPEG-4 Part 14 Multimedia Container
41a.WMA	Windows Media Audio File
41a.MKA	Matroska Audio Stream
41a.M4P	Protected AAC File

a41a   b41a   c41a   d41a   e41a   f41a   g41a   h41a   i41a   j41a   k41a   l41a   m41a   n41a   o41a   p41a   q41a   r41a   s41a   t41a   u41a   v41a   w41a   x41a   y41a   z41a   041a   141a   241a   341a   441a   541a   641a   741a   841a   941a