Change the file type filter in the bottom-right of the dialog box from "All Excel Files" to so the IIF file becomes visible. Select your file and click Open . Step 2: Use the Text Import Wizard
In the "Save as type" dropdown, select . Rename the file if desired and click Save . Alternative Methods convert iif file to excel
Standard IIF files can be messy when opened manually because they often contain "TRNS" and "SPL" row types that don't align perfectly in columns. Online converters can flatten these rows into a sortable, professional format. Change the file type filter in the bottom-right