It's good to see you here in the community, @Clara55. I'm here to share some insights about bank transactions in QuickBooks Desktop.

You can erase or ignore some unused transactions to start over with the reconciliation in a few different ways. Just make sure that this won't affect your books.

Please note that once the transaction is already ignored, you can't pull it back again.

Alternatively, you can also remove duplicate transactions in QuickBooks Desktop. Check out this article for your reference.

Reconcile your accounts so they match your bank and credit card statements. Find out more by visiting this page.

I'm glad I was able to shed some light on the subject. I wish you a pleasant rest of your day.