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

d9.ASX	Advanced Stream Redirector
d9.DTS	Digital Theater Systems Audio File
d9.GXF	General eXchange Format
d9.M2V	MPEG-2 Video
d9.M3U	MP3 Uniform Resource Locator
d9.M4V	MPEG-4 Video File
d9.MPEG1	MPEG-1 Video
d9.MPEG2	MPEG-2 Video
d9.MTS	AVCHD Video File
d9.MXF	Material eXchange Format
d9.OGM	Ogg Multimedia Container File
d9.PLS	Playlist
d9.BUP	DVD Information File
d9.A52	Dolby Digital AC-3 Compressed Audio File
d9.AAC	Advanced Audio Coding Compressed Audio File
d9.B4S	Winamp 3+ Playlist
d9.CUE	Cue Sheet
d9.DIVX	DivX Movie
d9.DV	Digital Video
d9.FLV	Flash Video
d9.M1V	MPEG-1 Video
d9.M2TS	MPEG-2 Transport Stream Videos
d9.MKV	Matroska Video Stream
d9.MOV	Apple QuickTime Movie
d9.MPEG4	MPEG-4 Video
d9.OMA	OpenMG Audio File
d9.SPX	Ogg Speex Audio File
d9.TS	DVD Video
d9.VLC	VLC Media Player Data
d9.VOB	DVD Video Object
d9.XSPF	XML Shareable Playlist Format
d9.DAT	VCD Video
d9.BIN	Binary DVD Video
d9.IFO	DVD Information File
d9.PART	Partially Downloaded File
d9.3G2	3G Mobile Phone Video
d9.AVI	Audio Video Interleave
d9.MPEG	MPEG Video
d9.MPG	MPEG Video
d9.FLAC	Free Lossless Audio Codec Compressed Audio FIle
d9.M4A	MPEG-4 Audio File
d9.MP1	MPEG-1 Audio Layer I
d9.OGG	Ogg Multimedia Container File
d9.WAV	Waveform Audio
d9.XM	Extended Module Audio File
d9.3GP	3G Mobile Phone Video
d9.SRT	DVD Subtitles File
d9.WMV	Windows Media Video
d9.AC3	Dolby Digital AC-3 Compressed Audio File
d9.ASF	Advanced Systems Format Video
d9.MOD	MOD Audio File
d9.MP2	MPEG-1 Audio Layer II
d9.MP3	MPEG-1 Audio Layer 3
d9.MP4	MPEG-4 Part 14 Multimedia Container
d9.WMA	Windows Media Audio File
d9.MKA	Matroska Audio Stream
d9.M4P	Protected AAC File

ad9   bd9   cd9   dd9   ed9   fd9   gd9   hd9   id9   jd9   kd9   ld9   md9   nd9   od9   pd9   qd9   rd9   sd9   td9   ud9   vd9   wd9   xd9   yd9   zd9   0d9   1d9   2d9   3d9   4d9   5d9   6d9   7d9   8d9   9d9