QuickBooks rejected the file before transactions were imported. Start with the file itself: encoding, OFX dialect, missing headers, or a renamed PDF. This page does not claim a guaranteed fix.
No bank login · Local file processing · Independent from Intuit
Choose a .qbo file. Nothing is uploaded during diagnosis.
Your file never leaves this device during diagnosis.
Drag and drop is supported. Files are not uploaded.
Safe patches never silently change amounts, dates, or FITIDs.