Sometimes, a customer may request to upgrade or downgrade their service plan.
This could be due to changing business needs or other reasons.
To change a Customer's Service Plan follow these steps:
Log in to your Dashboard, and click Customers
Select or search the customer's name you wish to change the service plan.
Click the Mailboxes tab, click the Gear Icon on the right-hand side.
Select Change Service Plan.
Select the appropriate Service Plan and the Billing Cycle. The Plan Start date will always be on the next billing cycle.