Upgrade / downgrade license or cancel an Office 365 Plan

Upgrade or downgrade an existing Office 365 license
 
To upgrade or downgrade the existing license for an Office 365 user, purchase the new license through the Winhost Control Panel, assign the new license to the user (removing the old license in the process), then open a ticket with the Billing Department to cancel the old license.
 
For assistance with a license change, please open a ticket with the Support Department.
 
Cancel an Office 365 Plan
 
If you wish to cancel your Office 365 plan, please open a ticket with the Billing Department for assistance.