You can easily change the email associated with your ReadCube Papers Account.

Head over to your My Account page through the ReadCube Papers app. You can also go to directly to your Account Page.

Screenshot showing where Account Page is in ReadCube Papers

Click "Edit" and update your email. You will need to verify your new email - so don't forget to check your email inbox to ensure the change is confirmed.

Screenshot showing where to change the email associated with ReadCube Papers