An IIF import error in QuickBooks Desktop can appear out of nowhere, halting your data transfer and leaving you with half-finished records. The problem usually hides in formatting glitches, missing fields, or unseen characters. A careful cleanup of the file and re-aligning each column with QuickBooks’ layout often restores a flawless import instantly.
Read here:- https://asquarecloudhosting.com/quickbooks-desktop-iif-import-error/