do you have the ability to setup a notification if your invoice didn't go through due to wrong email address

You can check the status of your invoice in the Sales tab to verify if your invoice didn't go through in QuickBooks Online (QBO), Victoria. We'll provide more details below to resolve your inquiry.

Since the option to set up a notification for undelivered invoices isn't an option, you can consider reviewing the invoice status in the Sales tab. Here's how:

1. Go to Sales and select Invoices.
2. In the Status column, you’ll see if the invoice is undelivered or sent. A reminder, if you’re in the Invoices tab, you can select the Needs Attention message to see those undelivered invoices.

For more details, please see this page: Fix undelivered invoices in QuickBooks Online.

Please let us know in the comments section if you require further assistance with this or have any additional questions about QuickBooks. We'll make sure to respond as soon as possible.