Find your BitLocker recovery key - Microsoft Support A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows This key, which is a 48-digit number, is used to regain access to the drive
Back Up Your BitLocker Recovery Key - Microsoft Support This article provides information to back up your BitLocker recovery key To learn how to verify if you have a BitLocker recovery key backed up to you Microsoft or work or school account, see Find your BitLocker recovery key
Microsoft account recovery code A Microsoft account recovery code is a 25-digit code used to help you regain access to your account if you forget your password or if your account is compromised
BitLocker overview - Microsoft Support Why is Windows asking for a recovery key? Windows requires a BitLocker recovery key when it detects a possible unauthorized attempt to access the data This can also happen if you make changes to the hardware, firmware, or software, which BitLocker cannot distinguish from a possible attack
BitLocker Drive Encryption - Microsoft Support Next to each drive there's a list of allowed operations To enable encryption, select the option Turn on BitLocker Select an unlock option and back up the recovery key The drive will begin the encryption process This can take some time to complete, but you can continue to use your device while it progresses
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