Hello, @jfdornfeld.
I'm glad to see you here in the Community. Let's determine how to delete an invoice.
You're in luck! It's a very straightforward process.
1. Open QuickBooks.
2. Go to the invoice.
3. Select the Delete drop-down box beside Save.
4. Click Delete.
5. Press OK.
Now you've successfully deleted an invoice.
I'm always here if you have any more questions. Happy Monday!