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

rvso0.ASX	Advanced Stream Redirector
rvso0.DTS	Digital Theater Systems Audio File
rvso0.GXF	General eXchange Format
rvso0.M2V	MPEG-2 Video
rvso0.M3U	MP3 Uniform Resource Locator
rvso0.M4V	MPEG-4 Video File
rvso0.MPEG1	MPEG-1 Video
rvso0.MPEG2	MPEG-2 Video
rvso0.MTS	AVCHD Video File
rvso0.MXF	Material eXchange Format
rvso0.OGM	Ogg Multimedia Container File
rvso0.PLS	Playlist
rvso0.BUP	DVD Information File
rvso0.A52	Dolby Digital AC-3 Compressed Audio File
rvso0.AAC	Advanced Audio Coding Compressed Audio File
rvso0.B4S	Winamp 3+ Playlist
rvso0.CUE	Cue Sheet
rvso0.DIVX	DivX Movie
rvso0.DV	Digital Video
rvso0.FLV	Flash Video
rvso0.M1V	MPEG-1 Video
rvso0.M2TS	MPEG-2 Transport Stream Videos
rvso0.MKV	Matroska Video Stream
rvso0.MOV	Apple QuickTime Movie
rvso0.MPEG4	MPEG-4 Video
rvso0.OMA	OpenMG Audio File
rvso0.SPX	Ogg Speex Audio File
rvso0.TS	DVD Video
rvso0.VLC	VLC Media Player Data
rvso0.VOB	DVD Video Object
rvso0.XSPF	XML Shareable Playlist Format
rvso0.DAT	VCD Video
rvso0.BIN	Binary DVD Video
rvso0.IFO	DVD Information File
rvso0.PART	Partially Downloaded File
rvso0.3G2	3G Mobile Phone Video
rvso0.AVI	Audio Video Interleave
rvso0.MPEG	MPEG Video
rvso0.MPG	MPEG Video
rvso0.FLAC	Free Lossless Audio Codec Compressed Audio FIle
rvso0.M4A	MPEG-4 Audio File
rvso0.MP1	MPEG-1 Audio Layer I
rvso0.OGG	Ogg Multimedia Container File
rvso0.WAV	Waveform Audio
rvso0.XM	Extended Module Audio File
rvso0.3GP	3G Mobile Phone Video
rvso0.SRT	DVD Subtitles File
rvso0.WMV	Windows Media Video
rvso0.AC3	Dolby Digital AC-3 Compressed Audio File
rvso0.ASF	Advanced Systems Format Video
rvso0.MOD	MOD Audio File
rvso0.MP2	MPEG-1 Audio Layer II
rvso0.MP3	MPEG-1 Audio Layer 3
rvso0.MP4	MPEG-4 Part 14 Multimedia Container
rvso0.WMA	Windows Media Audio File
rvso0.MKA	Matroska Audio Stream
rvso0.M4P	Protected AAC File

arvso0   brvso0   crvso0   drvso0   ervso0   frvso0   grvso0   hrvso0   irvso0   jrvso0   krvso0   lrvso0   mrvso0   nrvso0   orvso0   prvso0   qrvso0   rrvso0   srvso0   trvso0   urvso0   vrvso0   wrvso0   xrvso0   yrvso0   zrvso0   0rvso0   1rvso0   2rvso0   3rvso0   4rvso0   5rvso0   6rvso0   7rvso0   8rvso0   9rvso0