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

o9.ASX	Advanced Stream Redirector
o9.DTS	Digital Theater Systems Audio File
o9.GXF	General eXchange Format
o9.M2V	MPEG-2 Video
o9.M3U	MP3 Uniform Resource Locator
o9.M4V	MPEG-4 Video File
o9.MPEG1	MPEG-1 Video
o9.MPEG2	MPEG-2 Video
o9.MTS	AVCHD Video File
o9.MXF	Material eXchange Format
o9.OGM	Ogg Multimedia Container File
o9.PLS	Playlist
o9.BUP	DVD Information File
o9.A52	Dolby Digital AC-3 Compressed Audio File
o9.AAC	Advanced Audio Coding Compressed Audio File
o9.B4S	Winamp 3+ Playlist
o9.CUE	Cue Sheet
o9.DIVX	DivX Movie
o9.DV	Digital Video
o9.FLV	Flash Video
o9.M1V	MPEG-1 Video
o9.M2TS	MPEG-2 Transport Stream Videos
o9.MKV	Matroska Video Stream
o9.MOV	Apple QuickTime Movie
o9.MPEG4	MPEG-4 Video
o9.OMA	OpenMG Audio File
o9.SPX	Ogg Speex Audio File
o9.TS	DVD Video
o9.VLC	VLC Media Player Data
o9.VOB	DVD Video Object
o9.XSPF	XML Shareable Playlist Format
o9.DAT	VCD Video
o9.BIN	Binary DVD Video
o9.IFO	DVD Information File
o9.PART	Partially Downloaded File
o9.3G2	3G Mobile Phone Video
o9.AVI	Audio Video Interleave
o9.MPEG	MPEG Video
o9.MPG	MPEG Video
o9.FLAC	Free Lossless Audio Codec Compressed Audio FIle
o9.M4A	MPEG-4 Audio File
o9.MP1	MPEG-1 Audio Layer I
o9.OGG	Ogg Multimedia Container File
o9.WAV	Waveform Audio
o9.XM	Extended Module Audio File
o9.3GP	3G Mobile Phone Video
o9.SRT	DVD Subtitles File
o9.WMV	Windows Media Video
o9.AC3	Dolby Digital AC-3 Compressed Audio File
o9.ASF	Advanced Systems Format Video
o9.MOD	MOD Audio File
o9.MP2	MPEG-1 Audio Layer II
o9.MP3	MPEG-1 Audio Layer 3
o9.MP4	MPEG-4 Part 14 Multimedia Container
o9.WMA	Windows Media Audio File
o9.MKA	Matroska Audio Stream
o9.M4P	Protected AAC File

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