.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

Open your files with FileViewPro File Viewer

Download File Opener


Optional Offer for FileViewPro by Solvusoft | EULA | Privacy Policy | Terms | Uninstall

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
.MPA Unknown Developer Audio Files MPEG-2 Audio File
.XAP Microsoft Corporation Developer Files XACT Project
.HXW Microsoft Corporation Settings Files Microsoft Help Attribute Definition
.DOCX Microsoft Corporation Text Files Microsoft Word Open XML Document
.PUZ Literate Software Game Files Across Lite Crossword Puzzle
.MNX Autodesk, Inc. Encoded Files AutoCAD Compiled Menu File
.ATE Microsoft Corporation Backup Files Office Accounting Compressed Backup
.PHT Microsoft Corporation Web Files Partial Hypertext
.FM3 IBM Settings Files Lotus 1-2-3 Spreadsheet Format File
.PERFMONCFG Microsoft Corporation Settings Files Performance Monitor Configuration File

Open Your File:

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

Optional Offer for FileViewPro by Solvusoft | EULA | Privacy Policy | Terms | Uninstall

“Instead of sifting through folders of files scattered throughout your hard drive, FileViewPro allows you to open any file from one program. Whether it’s a document, spreadsheet, presentation or another file type, FileViewPro can open it.”   - Softonic Review