After 1st January 2019 your scripts will not be available if you have not saved them elsewhere.
We're here to help you through this migration. Please visit the support site and raise a ticket if you have any questions.
Until 1st January 2019, if you have an account, you can still login to microbit.co.uk in order to download or export your scripts - we've added a new 'Migrate' button for all scripts that can be migrated into the new editors. After 1st January 2019 your scripts will not be available if you have not saved them elsewhere.