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

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

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