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

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

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