It is not possible to restore Bitlocker keys back to the Entra ID environment. However, you can view and copy the recovery key for any of your devices.

Follow these steps:

1. Navigate to the Syncro Tenant's Details Page. 
2. In the Cloud Backups section, locate the row for "Entra ID” in the Service column, then click Restore:
   
   The Cloud Backup for Entra ID Dashboard displays:
   
3. Select Devices > Bitlocker Keys from the top navigation. A page with a list of all the Bitlocker keys backed up from the Entra ID Tenant opens:
   
4. If you want to view the attributes (e.g., the Device ID) that exist for a Bitlocker key, click its Name:
   
5. To show and copy the recovery key, click the “Show Recovery Key” in the Key column.