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

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

artb   brtb   crtb   drtb   ertb   frtb   grtb   hrtb   irtb   jrtb   krtb   lrtb   mrtb   nrtb   ortb   prtb   qrtb   rrtb   srtb   trtb   urtb   vrtb   wrtb   xrtb   yrtb   zrtb   0rtb   1rtb   2rtb   3rtb   4rtb   5rtb   6rtb   7rtb   8rtb   9rtb