1. Click on 'Contacts'
2. Open Any Contact
3. Click on 'Edit'
4. Click on the Star (★) Icon
This icon will only show besides non primary emails
This exact same process will also work for updating primary phone number
5. Click on 'Yes, make primary'
6. Look for This Confirmation Message
7. See Your New Customer's Primary Email Updated
Updating the primary email address updates it everywhere this contact is used, including any open Proposals, Invoices, and Work Orders
8. Make Sure to Save Your Changes
