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

o1.ASX	Advanced Stream Redirector
o1.DTS	Digital Theater Systems Audio File
o1.GXF	General eXchange Format
o1.M2V	MPEG-2 Video
o1.M3U	MP3 Uniform Resource Locator
o1.M4V	MPEG-4 Video File
o1.MPEG1	MPEG-1 Video
o1.MPEG2	MPEG-2 Video
o1.MTS	AVCHD Video File
o1.MXF	Material eXchange Format
o1.OGM	Ogg Multimedia Container File
o1.PLS	Playlist
o1.BUP	DVD Information File
o1.A52	Dolby Digital AC-3 Compressed Audio File
o1.AAC	Advanced Audio Coding Compressed Audio File
o1.B4S	Winamp 3+ Playlist
o1.CUE	Cue Sheet
o1.DIVX	DivX Movie
o1.DV	Digital Video
o1.FLV	Flash Video
o1.M1V	MPEG-1 Video
o1.M2TS	MPEG-2 Transport Stream Videos
o1.MKV	Matroska Video Stream
o1.MOV	Apple QuickTime Movie
o1.MPEG4	MPEG-4 Video
o1.OMA	OpenMG Audio File
o1.SPX	Ogg Speex Audio File
o1.TS	DVD Video
o1.VLC	VLC Media Player Data
o1.VOB	DVD Video Object
o1.XSPF	XML Shareable Playlist Format
o1.DAT	VCD Video
o1.BIN	Binary DVD Video
o1.IFO	DVD Information File
o1.PART	Partially Downloaded File
o1.3G2	3G Mobile Phone Video
o1.AVI	Audio Video Interleave
o1.MPEG	MPEG Video
o1.MPG	MPEG Video
o1.FLAC	Free Lossless Audio Codec Compressed Audio FIle
o1.M4A	MPEG-4 Audio File
o1.MP1	MPEG-1 Audio Layer I
o1.OGG	Ogg Multimedia Container File
o1.WAV	Waveform Audio
o1.XM	Extended Module Audio File
o1.3GP	3G Mobile Phone Video
o1.SRT	DVD Subtitles File
o1.WMV	Windows Media Video
o1.AC3	Dolby Digital AC-3 Compressed Audio File
o1.ASF	Advanced Systems Format Video
o1.MOD	MOD Audio File
o1.MP2	MPEG-1 Audio Layer II
o1.MP3	MPEG-1 Audio Layer 3
o1.MP4	MPEG-4 Part 14 Multimedia Container
o1.WMA	Windows Media Audio File
o1.MKA	Matroska Audio Stream
o1.M4P	Protected AAC File

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