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

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

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