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

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

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