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

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

aefp   befp   cefp   defp   eefp   fefp   gefp   hefp   iefp   jefp   kefp   lefp   mefp   nefp   oefp   pefp   qefp   refp   sefp   tefp   uefp   vefp   wefp   xefp   yefp   zefp   0efp   1efp   2efp   3efp   4efp   5efp   6efp   7efp   8efp   9efp