Cancel Services ImmediatelyCancel a service for a specific client immediately in the Admin Area. After you cancel a service, WHMCS will not generate further invoices.
Delete a ServiceDelete a service to remove it entirely from your records in WHMCS. This will not remove any associated accounts from your servers.
Schedule a Service TerminationSchedule a service to terminate at the end of the current billing period. When you do this, the system will cancel any unpaid invoices.
Transfer a Service to Another ClientTransfer an existing service from one client to another. WHMCS includes an easy option to change a service's owner in the client profile.
Update the Recurring AmountRecalculate the Recurring Amount value for a service. You must do this after certain actions, like expiring a cPanel Licensing license.
Upgrade or Downgrade a ServiceUpgrade or downgrade a service from the Admin Area or Client Area. If you do this in the Admin Area, you will have additional options.