I will walk you through with changing the default email address when sending invoices, Kenneth.

Please follow these steps:

1. Click Edit.
2. Select Preferences.
3. Click Send Forms, then go to the My Preferences tab.
4. In the SEND E-MAIL USING section, select Web Mail, then click Add.
5. Enter the email info, then click OK.
6. Click OK again.

You may also refer to this article on how to connect your email to QuickBooks Desktop for more information.

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