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

r4aeulp.ASX	Advanced Stream Redirector
r4aeulp.DTS	Digital Theater Systems Audio File
r4aeulp.GXF	General eXchange Format
r4aeulp.M2V	MPEG-2 Video
r4aeulp.M3U	MP3 Uniform Resource Locator
r4aeulp.M4V	MPEG-4 Video File
r4aeulp.MPEG1	MPEG-1 Video
r4aeulp.MPEG2	MPEG-2 Video
r4aeulp.MTS	AVCHD Video File
r4aeulp.MXF	Material eXchange Format
r4aeulp.OGM	Ogg Multimedia Container File
r4aeulp.PLS	Playlist
r4aeulp.BUP	DVD Information File
r4aeulp.A52	Dolby Digital AC-3 Compressed Audio File
r4aeulp.AAC	Advanced Audio Coding Compressed Audio File
r4aeulp.B4S	Winamp 3+ Playlist
r4aeulp.CUE	Cue Sheet
r4aeulp.DIVX	DivX Movie
r4aeulp.DV	Digital Video
r4aeulp.FLV	Flash Video
r4aeulp.M1V	MPEG-1 Video
r4aeulp.M2TS	MPEG-2 Transport Stream Videos
r4aeulp.MKV	Matroska Video Stream
r4aeulp.MOV	Apple QuickTime Movie
r4aeulp.MPEG4	MPEG-4 Video
r4aeulp.OMA	OpenMG Audio File
r4aeulp.SPX	Ogg Speex Audio File
r4aeulp.TS	DVD Video
r4aeulp.VLC	VLC Media Player Data
r4aeulp.VOB	DVD Video Object
r4aeulp.XSPF	XML Shareable Playlist Format
r4aeulp.DAT	VCD Video
r4aeulp.BIN	Binary DVD Video
r4aeulp.IFO	DVD Information File
r4aeulp.PART	Partially Downloaded File
r4aeulp.3G2	3G Mobile Phone Video
r4aeulp.AVI	Audio Video Interleave
r4aeulp.MPEG	MPEG Video
r4aeulp.MPG	MPEG Video
r4aeulp.FLAC	Free Lossless Audio Codec Compressed Audio FIle
r4aeulp.M4A	MPEG-4 Audio File
r4aeulp.MP1	MPEG-1 Audio Layer I
r4aeulp.OGG	Ogg Multimedia Container File
r4aeulp.WAV	Waveform Audio
r4aeulp.XM	Extended Module Audio File
r4aeulp.3GP	3G Mobile Phone Video
r4aeulp.SRT	DVD Subtitles File
r4aeulp.WMV	Windows Media Video
r4aeulp.AC3	Dolby Digital AC-3 Compressed Audio File
r4aeulp.ASF	Advanced Systems Format Video
r4aeulp.MOD	MOD Audio File
r4aeulp.MP2	MPEG-1 Audio Layer II
r4aeulp.MP3	MPEG-1 Audio Layer 3
r4aeulp.MP4	MPEG-4 Part 14 Multimedia Container
r4aeulp.WMA	Windows Media Audio File
r4aeulp.MKA	Matroska Audio Stream
r4aeulp.M4P	Protected AAC File

ar4aeulp   br4aeulp   cr4aeulp   dr4aeulp   er4aeulp   fr4aeulp   gr4aeulp   hr4aeulp   ir4aeulp   jr4aeulp   kr4aeulp   lr4aeulp   mr4aeulp   nr4aeulp   or4aeulp   pr4aeulp   qr4aeulp   rr4aeulp   sr4aeulp   tr4aeulp   ur4aeulp   vr4aeulp   wr4aeulp   xr4aeulp   yr4aeulp   zr4aeulp   0r4aeulp   1r4aeulp   2r4aeulp   3r4aeulp   4r4aeulp   5r4aeulp   6r4aeulp   7r4aeulp   8r4aeulp   9r4aeulp