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

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

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