Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .iif

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .iif file?
  • Which program can create the .iif file?
  • Where can you find a description of the .iif format?
  • What can convert .iif files to a different format?
  • Which MIME-type is associated with the .iif extension?
Intuit QuickBooks Interchange File .iif file icon

Intuit QuickBooks Interchange File

IIF file is an Intuit QuickBooks Interchange file. QuickBooks for Windows is an accounting software product developed by Intuit Inc.
Detailed description not available
Category: Document files
Application: QuickBooks for Windows
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Intuit QuickBooks Backup File
Intuit QuickBooks Portable Company File
Intuit QuickBooks Template
Intuit QuickBooks Network Data File
Intuit QuickBooks Accountant's File
Intuit QuickBooks Transaction Log
Intuit QuickBooks Report Template
Intuit QuickBooks Company File
Intuit QuickBooks Accountant's Export

Other types of files may also use the .iif file extension. If you have helpful information about .iif extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

IFWin Project File
LandMark Incremental Update File
SimSystem IIe Emulator Data
inFlow Inventory Database Backup
Origin Import Filter File
Game of Life Data
IDIS Job Data
IconWorkshop Extended Information

The .iif filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

if (1), uif (1), lif (1), iof (1), ikf (1), iie (1), iic (1), ifi (1), oif (1), iuf (1), ilf (1), ijf (1), iid (1), ii (1)

Can't open a .iif file?

If you want to open a .iif file on your computer, you just need to have the appropriate program installed. If the .iif association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.iif

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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