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

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

aii   bii   cii   dii   eii   fii   gii   hii   iii   jii   kii   lii   mii   nii   oii   pii   qii   rii   sii   tii   uii   vii   wii   xii   yii   zii   0ii   1ii   2ii   3ii   4ii   5ii   6ii   7ii   8ii   9ii