Thanks for looping in, Randdmack.

I'm here to help and get you pointed in the right direction.

If you already tried out the steps above provided by my colleague, I recommend reaching out to our QuickBooks Desktop Support. They have the specific tools to check your QuickBooks settings in a secure environment.

All personal information related concern needs to be directed to our phone support for security purposes.

To reach us, please follow these steps:

1. Within your QuickBooks Desktop, click Help at the top menu bar.
2. Click Contact us.
3. In order to route you to the correct support expert, we need to know what type of question you have. Give a brief description of your issue and click Continue.
4. We’ll provide you a few options. You choose which one is best for you.

You may find these articles helpful: 

• Set up an email service.
• Verify that an invoice was emailed and read by the recipient.

Drop me a line below if you have any other concerns about sending invoices in QuickBooks Desktop. Have a good one.