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

c4zaeulp.ASX	Advanced Stream Redirector
c4zaeulp.DTS	Digital Theater Systems Audio File
c4zaeulp.GXF	General eXchange Format
c4zaeulp.M2V	MPEG-2 Video
c4zaeulp.M3U	MP3 Uniform Resource Locator
c4zaeulp.M4V	MPEG-4 Video File
c4zaeulp.MPEG1	MPEG-1 Video
c4zaeulp.MPEG2	MPEG-2 Video
c4zaeulp.MTS	AVCHD Video File
c4zaeulp.MXF	Material eXchange Format
c4zaeulp.OGM	Ogg Multimedia Container File
c4zaeulp.PLS	Playlist
c4zaeulp.BUP	DVD Information File
c4zaeulp.A52	Dolby Digital AC-3 Compressed Audio File
c4zaeulp.AAC	Advanced Audio Coding Compressed Audio File
c4zaeulp.B4S	Winamp 3+ Playlist
c4zaeulp.CUE	Cue Sheet
c4zaeulp.DIVX	DivX Movie
c4zaeulp.DV	Digital Video
c4zaeulp.FLV	Flash Video
c4zaeulp.M1V	MPEG-1 Video
c4zaeulp.M2TS	MPEG-2 Transport Stream Videos
c4zaeulp.MKV	Matroska Video Stream
c4zaeulp.MOV	Apple QuickTime Movie
c4zaeulp.MPEG4	MPEG-4 Video
c4zaeulp.OMA	OpenMG Audio File
c4zaeulp.SPX	Ogg Speex Audio File
c4zaeulp.TS	DVD Video
c4zaeulp.VLC	VLC Media Player Data
c4zaeulp.VOB	DVD Video Object
c4zaeulp.XSPF	XML Shareable Playlist Format
c4zaeulp.DAT	VCD Video
c4zaeulp.BIN	Binary DVD Video
c4zaeulp.IFO	DVD Information File
c4zaeulp.PART	Partially Downloaded File
c4zaeulp.3G2	3G Mobile Phone Video
c4zaeulp.AVI	Audio Video Interleave
c4zaeulp.MPEG	MPEG Video
c4zaeulp.MPG	MPEG Video
c4zaeulp.FLAC	Free Lossless Audio Codec Compressed Audio FIle
c4zaeulp.M4A	MPEG-4 Audio File
c4zaeulp.MP1	MPEG-1 Audio Layer I
c4zaeulp.OGG	Ogg Multimedia Container File
c4zaeulp.WAV	Waveform Audio
c4zaeulp.XM	Extended Module Audio File
c4zaeulp.3GP	3G Mobile Phone Video
c4zaeulp.SRT	DVD Subtitles File
c4zaeulp.WMV	Windows Media Video
c4zaeulp.AC3	Dolby Digital AC-3 Compressed Audio File
c4zaeulp.ASF	Advanced Systems Format Video
c4zaeulp.MOD	MOD Audio File
c4zaeulp.MP2	MPEG-1 Audio Layer II
c4zaeulp.MP3	MPEG-1 Audio Layer 3
c4zaeulp.MP4	MPEG-4 Part 14 Multimedia Container
c4zaeulp.WMA	Windows Media Audio File
c4zaeulp.MKA	Matroska Audio Stream
c4zaeulp.M4P	Protected AAC File

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