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

bf1.ASX	Advanced Stream Redirector
bf1.DTS	Digital Theater Systems Audio File
bf1.GXF	General eXchange Format
bf1.M2V	MPEG-2 Video
bf1.M3U	MP3 Uniform Resource Locator
bf1.M4V	MPEG-4 Video File
bf1.MPEG1	MPEG-1 Video
bf1.MPEG2	MPEG-2 Video
bf1.MTS	AVCHD Video File
bf1.MXF	Material eXchange Format
bf1.OGM	Ogg Multimedia Container File
bf1.PLS	Playlist
bf1.BUP	DVD Information File
bf1.A52	Dolby Digital AC-3 Compressed Audio File
bf1.AAC	Advanced Audio Coding Compressed Audio File
bf1.B4S	Winamp 3+ Playlist
bf1.CUE	Cue Sheet
bf1.DIVX	DivX Movie
bf1.DV	Digital Video
bf1.FLV	Flash Video
bf1.M1V	MPEG-1 Video
bf1.M2TS	MPEG-2 Transport Stream Videos
bf1.MKV	Matroska Video Stream
bf1.MOV	Apple QuickTime Movie
bf1.MPEG4	MPEG-4 Video
bf1.OMA	OpenMG Audio File
bf1.SPX	Ogg Speex Audio File
bf1.TS	DVD Video
bf1.VLC	VLC Media Player Data
bf1.VOB	DVD Video Object
bf1.XSPF	XML Shareable Playlist Format
bf1.DAT	VCD Video
bf1.BIN	Binary DVD Video
bf1.IFO	DVD Information File
bf1.PART	Partially Downloaded File
bf1.3G2	3G Mobile Phone Video
bf1.AVI	Audio Video Interleave
bf1.MPEG	MPEG Video
bf1.MPG	MPEG Video
bf1.FLAC	Free Lossless Audio Codec Compressed Audio FIle
bf1.M4A	MPEG-4 Audio File
bf1.MP1	MPEG-1 Audio Layer I
bf1.OGG	Ogg Multimedia Container File
bf1.WAV	Waveform Audio
bf1.XM	Extended Module Audio File
bf1.3GP	3G Mobile Phone Video
bf1.SRT	DVD Subtitles File
bf1.WMV	Windows Media Video
bf1.AC3	Dolby Digital AC-3 Compressed Audio File
bf1.ASF	Advanced Systems Format Video
bf1.MOD	MOD Audio File
bf1.MP2	MPEG-1 Audio Layer II
bf1.MP3	MPEG-1 Audio Layer 3
bf1.MP4	MPEG-4 Part 14 Multimedia Container
bf1.WMA	Windows Media Audio File
bf1.MKA	Matroska Audio Stream
bf1.M4P	Protected AAC File

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