The Encrypting File System or EFS Encryption is one of the components of the NTFS file system. It is available on a high range of Windows operating systems. It is supported on Windows 11, Windows ...

Encrypting files, folders, and drives ... Next, select Encrypt a non-system partition/drive and select Next. Select the drive you want to encrypt and follow the instructions on the screen.

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. You need a Pro or Ultimate ...