If you want to use an existing Swisscom login for your myCloud account, log into your myCloud account online, go to “Settings”, click on “Use an other Swisscom Login for myCloud”, and then follow the steps below (please note that a Swisscom login mask appears twice during the process):
1. Start the process
2. In the first Swisscom login screen, enter in your pre-existing login information for myCloud 
3. In the second Swisscom login screen, enter in your desired Swisscom login
4. Confirm the change and you're done! 
If something should be unclear or doesn’t work despite these instructions, please contact us via the support form along with a screenshot of the error message so that we can solve your problem as quickly as possible.