To import an IIF (Intuit Interchange Format) file into Excel, you can follow these steps: 1st Step. Open Microsoft Excel on your computer and click on the Data tab on the top navigation bar. 2nd Step. Select Get External Data from the drop-down menu, and then select From Text option. 3rd Step. Navigate to the location where your IIF file is saved and select it. 4th Step. In the Import Wizard window, select Delimited as the file type and click Next. 5th Step. Select the delimiter that separates the data in your IIF file, which is usually a comma or a tab, and then click Next. 6th Step. In the Data Preview window, you can review your data and make any necessary adjustments, such as formatting or removing unnecessary columns. 7th Step. Lastly, hit a click on Finish to complete the import process, and your IIF file data will now be displayed in Excel.