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

i5.ASX	Advanced Stream Redirector
i5.DTS	Digital Theater Systems Audio File
i5.GXF	General eXchange Format
i5.M2V	MPEG-2 Video
i5.M3U	MP3 Uniform Resource Locator
i5.M4V	MPEG-4 Video File
i5.MPEG1	MPEG-1 Video
i5.MPEG2	MPEG-2 Video
i5.MTS	AVCHD Video File
i5.MXF	Material eXchange Format
i5.OGM	Ogg Multimedia Container File
i5.PLS	Playlist
i5.BUP	DVD Information File
i5.A52	Dolby Digital AC-3 Compressed Audio File
i5.AAC	Advanced Audio Coding Compressed Audio File
i5.B4S	Winamp 3+ Playlist
i5.CUE	Cue Sheet
i5.DIVX	DivX Movie
i5.DV	Digital Video
i5.FLV	Flash Video
i5.M1V	MPEG-1 Video
i5.M2TS	MPEG-2 Transport Stream Videos
i5.MKV	Matroska Video Stream
i5.MOV	Apple QuickTime Movie
i5.MPEG4	MPEG-4 Video
i5.OMA	OpenMG Audio File
i5.SPX	Ogg Speex Audio File
i5.TS	DVD Video
i5.VLC	VLC Media Player Data
i5.VOB	DVD Video Object
i5.XSPF	XML Shareable Playlist Format
i5.DAT	VCD Video
i5.BIN	Binary DVD Video
i5.IFO	DVD Information File
i5.PART	Partially Downloaded File
i5.3G2	3G Mobile Phone Video
i5.AVI	Audio Video Interleave
i5.MPEG	MPEG Video
i5.MPG	MPEG Video
i5.FLAC	Free Lossless Audio Codec Compressed Audio FIle
i5.M4A	MPEG-4 Audio File
i5.MP1	MPEG-1 Audio Layer I
i5.OGG	Ogg Multimedia Container File
i5.WAV	Waveform Audio
i5.XM	Extended Module Audio File
i5.3GP	3G Mobile Phone Video
i5.SRT	DVD Subtitles File
i5.WMV	Windows Media Video
i5.AC3	Dolby Digital AC-3 Compressed Audio File
i5.ASF	Advanced Systems Format Video
i5.MOD	MOD Audio File
i5.MP2	MPEG-1 Audio Layer II
i5.MP3	MPEG-1 Audio Layer 3
i5.MP4	MPEG-4 Part 14 Multimedia Container
i5.WMA	Windows Media Audio File
i5.MKA	Matroska Audio Stream
i5.M4P	Protected AAC File

ai5   bi5   ci5   di5   ei5   fi5   gi5   hi5   ii5   ji5   ki5   li5   mi5   ni5   oi5   pi5   qi5   ri5   si5   ti5   ui5   vi5   wi5   xi5   yi5   zi5   0i5   1i5   2i5   3i5   4i5   5i5   6i5   7i5   8i5   9i5