File Encryption XP - A program designed for protecting confidential information stored on your computer.
Cryptomator - When it comes to saving your files on a cloud server, it is important to ensure the security of those files. Keeping your delicate files out of the wrong hands can save you a lot of time and hassle. Read more about Cryptomator.
S.S.E. File Encryptor - S.S.E. File Encryptor is a cross-platform encrypter/decrypter of files and folders.
Axcrypt - AxCrypt - Password Protect Files With Strong Encryption. AxCrypt is the leading open source file encryption software for Windows.
CrococryptFile - Strong file encryption tool
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.