Change contact status for one contact
1. Navigate to the 'Contacts' dashboard.
2. Enter the email in the search bar or click Find Contacts icon and type in the email address.
3. Click on the email address (or right click, Edit). A right click menu is also available in this page with a quick link to the unsubscribe function
4. Go to the 'Subscription Info' tab, and change the contact type in the dropdown.
5. Click 'Save'.