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

54.ASX	Advanced Stream Redirector
54.DTS	Digital Theater Systems Audio File
54.GXF	General eXchange Format
54.M2V	MPEG-2 Video
54.M3U	MP3 Uniform Resource Locator
54.M4V	MPEG-4 Video File
54.MPEG1	MPEG-1 Video
54.MPEG2	MPEG-2 Video
54.MTS	AVCHD Video File
54.MXF	Material eXchange Format
54.OGM	Ogg Multimedia Container File
54.PLS	Playlist
54.BUP	DVD Information File
54.A52	Dolby Digital AC-3 Compressed Audio File
54.AAC	Advanced Audio Coding Compressed Audio File
54.B4S	Winamp 3+ Playlist
54.CUE	Cue Sheet
54.DIVX	DivX Movie
54.DV	Digital Video
54.FLV	Flash Video
54.M1V	MPEG-1 Video
54.M2TS	MPEG-2 Transport Stream Videos
54.MKV	Matroska Video Stream
54.MOV	Apple QuickTime Movie
54.MPEG4	MPEG-4 Video
54.OMA	OpenMG Audio File
54.SPX	Ogg Speex Audio File
54.TS	DVD Video
54.VLC	VLC Media Player Data
54.VOB	DVD Video Object
54.XSPF	XML Shareable Playlist Format
54.DAT	VCD Video
54.BIN	Binary DVD Video
54.IFO	DVD Information File
54.PART	Partially Downloaded File
54.3G2	3G Mobile Phone Video
54.AVI	Audio Video Interleave
54.MPEG	MPEG Video
54.MPG	MPEG Video
54.FLAC	Free Lossless Audio Codec Compressed Audio FIle
54.M4A	MPEG-4 Audio File
54.MP1	MPEG-1 Audio Layer I
54.OGG	Ogg Multimedia Container File
54.WAV	Waveform Audio
54.XM	Extended Module Audio File
54.3GP	3G Mobile Phone Video
54.SRT	DVD Subtitles File
54.WMV	Windows Media Video
54.AC3	Dolby Digital AC-3 Compressed Audio File
54.ASF	Advanced Systems Format Video
54.MOD	MOD Audio File
54.MP2	MPEG-1 Audio Layer II
54.MP3	MPEG-1 Audio Layer 3
54.MP4	MPEG-4 Part 14 Multimedia Container
54.WMA	Windows Media Audio File
54.MKA	Matroska Audio Stream
54.M4P	Protected AAC File

a54   b54   c54   d54   e54   f54   g54   h54   i54   j54   k54   l54   m54   n54   o54   p54   q54   r54   s54   t54   u54   v54   w54   x54   y54   z54   054   154   254   354   454   554   654   754   854   954