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

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

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