What is EFS or Encryption File System? We discuss the encryption, decryption techniques as well as compare it with BitLocker device encryption.

How to Encrypt any File, Folder, or Drive on Your System Trust us, it’s safer this way. Photograph: Peter Dazeley/Getty Images ...

You can effectively encrypt a folder with Windows’ own Encrypted File System (EFS)—at least if you have something more expensive than a Home edition of Windows.