Hi.
In general, BitLocker recovery keys on Win11 can be backed up to Azure AD:
https://support.microsoft.com/en-us/windows/finding-your-bitlocker-recovery-key-in-windows-6b71ad27-0b89-ea08-f143-056f5ab347d6
You can try to use a script to write BitLocker Recovery Keys to Azure AD by referring to the following documentation:
https://msendpointmgr.com/2021/01/12/migrate-bitlocker-to-azure-ad/
Hope the information is helpful.
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