In the machine of Apple Platform developers, the certificates and keys that are generated by the Apple Developer Program are saved. They are needed for development. I back up them and restore them when I initialize my machines.
This article explains that how to backup and restore them.
How to export to the developer profile file
Export the needed informations from the Xcode. Do as follows.
Make the name extension of the new file name to be
developerprofile as displayed initially. Enter the password into the
Password field and the
The exported developer profile file is encrypted.
How to restore from the developer profile file
You can use Xcode when you would like to restore from the developer file file too. Do as follows.
The password dialog is displayed, enter the password that was used when exporting it, and click “OK” button.
The imported Apple ID is signed out.