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

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

aum   bum   cum   dum   eum   fum   gum   hum   ium   jum   kum   lum   mum   num   oum   pum   qum   rum   sum   tum   uum   vum   wum   xum   yum   zum   0um   1um   2um   3um   4um   5um   6um   7um   8um   9um