@NlilNel
Hi,
Firstly, the following information may help you locate your recovery key:
• In your Microsoft account:
• On a printout you saved
• On a USB flash drive
• In an Azure Active Directory account
For your reference:
https://support.microsoft.com/en-us/help/4530477/windows-10-finding-your-bitlocker-recovery-key
Unfortunately, if you neither know the password nor the recovery key, there is no easy way to remove BitLocker encryption from any drive.
I'd suggest to take responsibility for carefully managing backups of the encryption keys.
Hope above information can help you.
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