Extension	File Type Developer	File Category	File Type Description	Primary Software	Primary Software Developer
.IGV	Broad Institute	Text Files	Integrative Genomics Viewer Data	Integrative Genomics Viewer	Broad Institute
.ILL	Unknown Developer	Text Files	Illust Logic Puzzle File	Unknown Software	Unknown Developer
.IRB	Yukihiro “Matz” Matsumoto	Text Files	Interactive Ruby Script	Ruby	Yukihiro “Matz” Matsumoto
.ISR	Open Source	Text Files	GoMoku Game File	Gomoku	Open Source
.ITX	IBM	Text Files	ITX Form Template	FileNet eForms	IBM
.IVP	Oracle Corporation	Text Files	Panorama File	Java	Oracle Corporation
.IWP	Incomedia	Text Files	Website X5 Project	Website X5	Incomedia
.IX	Corel	Text Files	Corel WordPerfect Office Template File	Corel WordPerfect	Corel
.IXT	Image Solutions, Inc.	Text Files	ISIPublisher Publication Template	ISIPublisher	Image Solutions, Inc.

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