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

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

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