Free Hide Folder - Free Hide Folder is a free computer security software to hide your private folders.
Axcrypt - AxCrypt - Password Protect Files With Strong Encryption. AxCrypt is the leading open source file encryption software for Windows.
Disguise Folders - Disguise Folders is a free tool that lets you hide your secret folders and allows you to camouflage them as system folders, in Windows 10/8/7.
Windows BitLocker - This topic provides a high-level overview of BitLocker, including a list of system requirements, practical applications, and deprecated features.
Wise Folder Hider - Wise Folder Hider is a free file/folder hiding tool.
File Lock PEA - Password-encryption of files and directories. File PEA encrypts files and folders with authenticated encryption to protect confidentiality and integrity. The program uses memory-hard key derivation functions to prevent custom hardware attacks.