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

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

a4te   b4te   c4te   d4te   e4te   f4te   g4te   h4te   i4te   j4te   k4te   l4te   m4te   n4te   o4te   p4te   q4te   r4te   s4te   t4te   u4te   v4te   w4te   x4te   y4te   z4te   04te   14te   24te   34te   44te   54te   64te   74te   84te   94te