Click on Cancellation status, which you can find at the top of the page.
1&1 Contract homepage
From the list of cancellation requests, select Reverse cancellation next to the desired cancellation task. If this link is not shown, please contact Support to see if the cancellation request can be voided.
Cancellation Status page
You can now see that you have successfully reversed a cancellation. Click on Back to overview to review the changes made.
The overview page has been updated to show that the cancellation request you placed has been voided.
Updated overview page
For additional information, you may want to reference: