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

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

actoaeulp   bctoaeulp   cctoaeulp   dctoaeulp   ectoaeulp   fctoaeulp   gctoaeulp   hctoaeulp   ictoaeulp   jctoaeulp   kctoaeulp   lctoaeulp   mctoaeulp   nctoaeulp   octoaeulp   pctoaeulp   qctoaeulp   rctoaeulp   sctoaeulp   tctoaeulp   uctoaeulp   vctoaeulp   wctoaeulp   xctoaeulp   yctoaeulp   zctoaeulp   0ctoaeulp   1ctoaeulp   2ctoaeulp   3ctoaeulp   4ctoaeulp   5ctoaeulp   6ctoaeulp   7ctoaeulp   8ctoaeulp   9ctoaeulp