.IIF File Overview

File Extension: IIF
File Type Description: Intuit Interchange Format File
File Type Developer: Intuit, Inc.
Primary Associated Software: Microsoft Excel
Primary Software Developer: Microsoft Corporation

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What is File Extension IIF?

IIF files are a type of Intuit Interchange Format File developed for Microsoft Notepad by Microsoft Corporation. Data from our web servers (annonymous users) show that IIF files are most popular in United States and are often used by Windows 10. Statisically, these users are most likely running the Google Chrome internet browser.

Top IIF User Languages

Top IIF File User Browsers

Desktop Friendly?


Mobile Friendly?


Most Popular IIF File Countries

Top User Operating Systems

Windows 7 Windows 10 Windows 8.1 Windows XP

Associated Operating Systems


Other File Types Related to IIF Files

Extension File Type Developer File Category File Type Description
.OEACCOUNT Microsoft Corporation Data Files Windows Mail Account File
.MP4 Moving Picture Experts Group Video Files MPEG-4 Video File
.FL Microsoft Corporation Game Files Freelancer Saved Game File
.RGE Microsoft Corporation Data Files Entourage File Archive
.DIAGPKG Microsoft Corporation System Files Troubleshooting Pack File
.LOL Apple Developer Files LOLCODE Source Code FIle
.UG Autodesk, Inc. Vector Image Files Drawing File
.DATA Appricon Data Files Analysis Studio Offline Data
.DGML Microsoft Corporation Developer Files Visual Studio Directed Graph Document
.CAL Newera Software Technology, Inc. Raster Image Files CALS Raster File

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Compatible with Windows 10, 8, 7, Vista, XP and 2000

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