This can be done through the "Contact Support" button below. Once you have completed the details to confirm identity, select "Account Management" as your case type, and then "Delete Users". Enter the email address of the user(s) you would like to remove from your subscription. Please give a date when you would like the user account(s) to be disabled. If no date is given, it will be assumed that cancellation for the specified user login(s) is immediate. Your billing will be updated to reflect a prorated refund for your next month's payment. Please note, there must be at least one live user account on your subscription for the life of your account.