This article will show you how to edit an existing contact on the Firm Service contact list.
Click on the 3 horizontal lines at the top left, in the drop down menu select Service Contacts.
Locate the email or use the filter at the top of the screen to find the Service Contact. Once the Service Contact is found click on the pencil icon directly to the right of the email.
Enter a new email address (and any additional updated information) and click Save to replace the existing contact's email.