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

c3fomp.ASX	Advanced Stream Redirector
c3fomp.DTS	Digital Theater Systems Audio File
c3fomp.GXF	General eXchange Format
c3fomp.M2V	MPEG-2 Video
c3fomp.M3U	MP3 Uniform Resource Locator
c3fomp.M4V	MPEG-4 Video File
c3fomp.MPEG1	MPEG-1 Video
c3fomp.MPEG2	MPEG-2 Video
c3fomp.MTS	AVCHD Video File
c3fomp.MXF	Material eXchange Format
c3fomp.OGM	Ogg Multimedia Container File
c3fomp.PLS	Playlist
c3fomp.BUP	DVD Information File
c3fomp.A52	Dolby Digital AC-3 Compressed Audio File
c3fomp.AAC	Advanced Audio Coding Compressed Audio File
c3fomp.B4S	Winamp 3+ Playlist
c3fomp.CUE	Cue Sheet
c3fomp.DIVX	DivX Movie
c3fomp.DV	Digital Video
c3fomp.FLV	Flash Video
c3fomp.M1V	MPEG-1 Video
c3fomp.M2TS	MPEG-2 Transport Stream Videos
c3fomp.MKV	Matroska Video Stream
c3fomp.MOV	Apple QuickTime Movie
c3fomp.MPEG4	MPEG-4 Video
c3fomp.OMA	OpenMG Audio File
c3fomp.SPX	Ogg Speex Audio File
c3fomp.TS	DVD Video
c3fomp.VLC	VLC Media Player Data
c3fomp.VOB	DVD Video Object
c3fomp.XSPF	XML Shareable Playlist Format
c3fomp.DAT	VCD Video
c3fomp.BIN	Binary DVD Video
c3fomp.IFO	DVD Information File
c3fomp.PART	Partially Downloaded File
c3fomp.3G2	3G Mobile Phone Video
c3fomp.AVI	Audio Video Interleave
c3fomp.MPEG	MPEG Video
c3fomp.MPG	MPEG Video
c3fomp.FLAC	Free Lossless Audio Codec Compressed Audio FIle
c3fomp.M4A	MPEG-4 Audio File
c3fomp.MP1	MPEG-1 Audio Layer I
c3fomp.OGG	Ogg Multimedia Container File
c3fomp.WAV	Waveform Audio
c3fomp.XM	Extended Module Audio File
c3fomp.3GP	3G Mobile Phone Video
c3fomp.SRT	DVD Subtitles File
c3fomp.WMV	Windows Media Video
c3fomp.AC3	Dolby Digital AC-3 Compressed Audio File
c3fomp.ASF	Advanced Systems Format Video
c3fomp.MOD	MOD Audio File
c3fomp.MP2	MPEG-1 Audio Layer II
c3fomp.MP3	MPEG-1 Audio Layer 3
c3fomp.MP4	MPEG-4 Part 14 Multimedia Container
c3fomp.WMA	Windows Media Audio File
c3fomp.MKA	Matroska Audio Stream
c3fomp.M4P	Protected AAC File

ac3fomp   bc3fomp   cc3fomp   dc3fomp   ec3fomp   fc3fomp   gc3fomp   hc3fomp   ic3fomp   jc3fomp   kc3fomp   lc3fomp   mc3fomp   nc3fomp   oc3fomp   pc3fomp   qc3fomp   rc3fomp   sc3fomp   tc3fomp   uc3fomp   vc3fomp   wc3fomp   xc3fomp   yc3fomp   zc3fomp   0c3fomp   1c3fomp   2c3fomp   3c3fomp   4c3fomp   5c3fomp   6c3fomp   7c3fomp   8c3fomp   9c3fomp