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

k2c.ASX	Advanced Stream Redirector
k2c.DTS	Digital Theater Systems Audio File
k2c.GXF	General eXchange Format
k2c.M2V	MPEG-2 Video
k2c.M3U	MP3 Uniform Resource Locator
k2c.M4V	MPEG-4 Video File
k2c.MPEG1	MPEG-1 Video
k2c.MPEG2	MPEG-2 Video
k2c.MTS	AVCHD Video File
k2c.MXF	Material eXchange Format
k2c.OGM	Ogg Multimedia Container File
k2c.PLS	Playlist
k2c.BUP	DVD Information File
k2c.A52	Dolby Digital AC-3 Compressed Audio File
k2c.AAC	Advanced Audio Coding Compressed Audio File
k2c.B4S	Winamp 3+ Playlist
k2c.CUE	Cue Sheet
k2c.DIVX	DivX Movie
k2c.DV	Digital Video
k2c.FLV	Flash Video
k2c.M1V	MPEG-1 Video
k2c.M2TS	MPEG-2 Transport Stream Videos
k2c.MKV	Matroska Video Stream
k2c.MOV	Apple QuickTime Movie
k2c.MPEG4	MPEG-4 Video
k2c.OMA	OpenMG Audio File
k2c.SPX	Ogg Speex Audio File
k2c.TS	DVD Video
k2c.VLC	VLC Media Player Data
k2c.VOB	DVD Video Object
k2c.XSPF	XML Shareable Playlist Format
k2c.DAT	VCD Video
k2c.BIN	Binary DVD Video
k2c.IFO	DVD Information File
k2c.PART	Partially Downloaded File
k2c.3G2	3G Mobile Phone Video
k2c.AVI	Audio Video Interleave
k2c.MPEG	MPEG Video
k2c.MPG	MPEG Video
k2c.FLAC	Free Lossless Audio Codec Compressed Audio FIle
k2c.M4A	MPEG-4 Audio File
k2c.MP1	MPEG-1 Audio Layer I
k2c.OGG	Ogg Multimedia Container File
k2c.WAV	Waveform Audio
k2c.XM	Extended Module Audio File
k2c.3GP	3G Mobile Phone Video
k2c.SRT	DVD Subtitles File
k2c.WMV	Windows Media Video
k2c.AC3	Dolby Digital AC-3 Compressed Audio File
k2c.ASF	Advanced Systems Format Video
k2c.MOD	MOD Audio File
k2c.MP2	MPEG-1 Audio Layer II
k2c.MP3	MPEG-1 Audio Layer 3
k2c.MP4	MPEG-4 Part 14 Multimedia Container
k2c.WMA	Windows Media Audio File
k2c.MKA	Matroska Audio Stream
k2c.M4P	Protected AAC File

ak2c   bk2c   ck2c   dk2c   ek2c   fk2c   gk2c   hk2c   ik2c   jk2c   kk2c   lk2c   mk2c   nk2c   ok2c   pk2c   qk2c   rk2c   sk2c   tk2c   uk2c   vk2c   wk2c   xk2c   yk2c   zk2c   0k2c   1k2c   2k2c   3k2c   4k2c   5k2c   6k2c   7k2c   8k2c   9k2c