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

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

aptb   bptb   cptb   dptb   eptb   fptb   gptb   hptb   iptb   jptb   kptb   lptb   mptb   nptb   optb   pptb   qptb   rptb   sptb   tptb   uptb   vptb   wptb   xptb   yptb   zptb   0ptb   1ptb   2ptb   3ptb   4ptb   5ptb   6ptb   7ptb   8ptb   9ptb