BitLocker helps protect all of the personal and system files on your PC if it’s stolen or if unauthorized users try to use the PC. Use BitLocker to encrypt all files on fixed data drives (like internal hard drives) and use BitLocker To Go to encrypt files on removable data drives (like external hard drives or USB flash drives).
Use Encrypting File System (EFS) to help protect the files and folders you select on any of your drives.
Article ID: 4026477 - Last Review: 29 jul. 2017 - Revision: 1