Quick Help! How do I delete a Refund in my Sales section?

You’re on the right track, @ZweeresR. 

You can remove the refund receipt from the print queue by editing it. I'll show you how.

1. Go to Accounting and select the Chart of Accounts tab.
2. Locate the account and click on the View register link under Action.
3. Click on the refund transaction and choose Edit.
4. Uncheck the Print later box. 
   
5. Click on Save and close.

In case you want to learn how to customize, attach files, and email sales forms to your customer within QuickBooks Online (QBO), refer to this article: Email and customize sales form.

Let me also add an article for more information about reconciling an account: 

• How to Reconcile an Account in QuickBooks Online?

• Void or delete transactions in QuickBooks Online

You can count on us if you have any other concerns. Have a great day.