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

r9.ASX	Advanced Stream Redirector
r9.DTS	Digital Theater Systems Audio File
r9.GXF	General eXchange Format
r9.M2V	MPEG-2 Video
r9.M3U	MP3 Uniform Resource Locator
r9.M4V	MPEG-4 Video File
r9.MPEG1	MPEG-1 Video
r9.MPEG2	MPEG-2 Video
r9.MTS	AVCHD Video File
r9.MXF	Material eXchange Format
r9.OGM	Ogg Multimedia Container File
r9.PLS	Playlist
r9.BUP	DVD Information File
r9.A52	Dolby Digital AC-3 Compressed Audio File
r9.AAC	Advanced Audio Coding Compressed Audio File
r9.B4S	Winamp 3+ Playlist
r9.CUE	Cue Sheet
r9.DIVX	DivX Movie
r9.DV	Digital Video
r9.FLV	Flash Video
r9.M1V	MPEG-1 Video
r9.M2TS	MPEG-2 Transport Stream Videos
r9.MKV	Matroska Video Stream
r9.MOV	Apple QuickTime Movie
r9.MPEG4	MPEG-4 Video
r9.OMA	OpenMG Audio File
r9.SPX	Ogg Speex Audio File
r9.TS	DVD Video
r9.VLC	VLC Media Player Data
r9.VOB	DVD Video Object
r9.XSPF	XML Shareable Playlist Format
r9.DAT	VCD Video
r9.BIN	Binary DVD Video
r9.IFO	DVD Information File
r9.PART	Partially Downloaded File
r9.3G2	3G Mobile Phone Video
r9.AVI	Audio Video Interleave
r9.MPEG	MPEG Video
r9.MPG	MPEG Video
r9.FLAC	Free Lossless Audio Codec Compressed Audio FIle
r9.M4A	MPEG-4 Audio File
r9.MP1	MPEG-1 Audio Layer I
r9.OGG	Ogg Multimedia Container File
r9.WAV	Waveform Audio
r9.XM	Extended Module Audio File
r9.3GP	3G Mobile Phone Video
r9.SRT	DVD Subtitles File
r9.WMV	Windows Media Video
r9.AC3	Dolby Digital AC-3 Compressed Audio File
r9.ASF	Advanced Systems Format Video
r9.MOD	MOD Audio File
r9.MP2	MPEG-1 Audio Layer II
r9.MP3	MPEG-1 Audio Layer 3
r9.MP4	MPEG-4 Part 14 Multimedia Container
r9.WMA	Windows Media Audio File
r9.MKA	Matroska Audio Stream
r9.M4P	Protected AAC File

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