Hello there, @patricia-hodge.
In QuickBooks Online (QBO), you can set a default email address to automatically be Cc'd every time you send an invoice or estimate.
Here’s how:
- Go to the Gear icon.
- Choose Account and settings.

- Select Sales, then click on Messages.
- Enter the email you wish to Cc under Copy (Cc) new invoices to address.
- Hit Save, then Done.

You are encouraged to leave a reply if you have further questions regarding QBO.