Option 2: Remove BitLocker from an OS drive when locked Step 4: Click OK to format the BitLocker encrypted drive. Step 3: Select the file system and set the cluster size. Step 2: Right-click on the drive or partition and click on ' Format'. Step 1: Press Win + X, K to open Disk Management. Option 1: Remove BitLocker from a hard drive or USB flash drive If you forgot the password and recovery key, you can choose to format the BitLocker drive, so you can access and use it again. If you want to remove BitLocker from another drive that is not encrypted on your computer, you should first enter the password or recovery key to unlock the BitLocker drive before you can remove it. How to Remove BitLocker without password or recovery key on PC