Select Cancellation from the Account Management Panel.
Select the package you to cancel from the list of packages.
Select to cancel Entire contract.
Click the Continue Anyway button to proceed with the cancellation.
Cancellation confirmation screen
Select a reason for cancellation and then click the Next button.
Contract details page
Select an option for the Cancel contract on(A) and also the Cancellation option and Cancel (on) date for any remaining domains and features within the package. Then click the Next button.
Cancellation summary page
Any domains which are marked for a Change of Provider must be transferred away from 1&1, otherwise they will continue to remain with 1&1 and automatically renew on the expiration date.
A summary of the cancellation options chosen is shown. Please double-check the options chosen and click the Confirm button to submit the cancellation request. If any changes are needed, simply click the Back button.
For additional information, you may want to reference: