While not exactly a file encryption program, Eclipse Portable Encryptor is actually a little utility for encrypting your emails completely free. 0.24 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree Eclipse Review - Download
Professional encryption software: Typically you encrypt files because you don't want others to see them, but sometimes you want to send someone an encrypted file. 4.47 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware Advanced Encryption Package 2004 Professional Review - Download
Free application that can decrypt and unpack SME files, create self-signed certs with quick access via the Windows Explorer shell: The software abylon READER is the free addition to the abylonsoft programs abylon BASIC, abylon ENTERPRISE and abylon CRYPTMAIL. 60.1 MB | For Windows 7, Windows 8 / Vista / XPFree
Strong file encryption and protection program: CryptIt is a file and folder encryption application which uses 192-bit encryption algorithms in order to encrypt and decrypt files of which the user wishes to remain private. 0.04 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware CryptIt Review - Download
LockmyDrive FreeLocker is a portable data security software offering a quick, easy in use and reliable solution for your private data protection. 16.36 MB | For Windows 7, Windows 8 / Vista / XPFree
Real-time on-the-fly hard disk encryption system with AES, Blowfish, CAST and 3DES: CryptoExpert is encryption software which protects your highly sensitive data from potential prying eyes. 7.47 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware CryptoExpert 2008 Professional Review - Download
Completely freeware encryption software: Comodo Disk Encryption is a software used for protecting sensitive information by encrypting a drive from the computer. 4.7 MB | For Windows 7, Windows 8 / Vista / XPFree Comodo Disk Encryption Review - Download
FREE Compusec 5 is a powerful, yet free, security solution for desktops, notebooks and tablet PCs. 39.47 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree CompuSec Free Review - Download
Easy drag and drop encryption software that can select multiple files and encrypted them, requiring a master password for decryption later: FinalCrypt is an open source, cross-platform and free GUI tool that makes encrypting files incredibly easy. 77.9 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
Lock and hide folders from Windows Explorer: Hide Folder is security software for Windows which creates a secure and easy-to-use system whereby folders and files may be locked and indeed hidden from users without knowledge of or in posession of the password required to access those folders. 5.04 MB | For Shareware Hide Folder ScreenLock Review - Download
Encrypt passwords and documents behind a password: SecureWord is a file encryption application which also acts as a type of password manager. 0.55 MB | For Windows 7, Windows 8 / Vista / XP / NTShareware SecureWord Review - Download
Application which protects and encrypts files and folders on many filesystems: DESKI Shield is a computer encryption application which allows you to password-protect your precious files and folders and also offers the ability to freely restrict access or hide files from plain view in the Windows Explorer. 3 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware DEKSI Secure Review - Download
BitCrypt9 is a very high encryption utility that makes use of a Triple-Randomized- Encryption, so if you enrypt 2 identical files, the encryption is 100% different. 3.4 MB | For Windows 7, Windows 8 / Vista / XPFree
FREE Compusec 5 is a powerful, yet free, security solution for desktops, notebooks and tablet PCs. 43.6 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree CompuSec 64bit Free Review - Download
Multiple ZIP allows users and power-users to deal with multiple zip archives at a time. 0.58 MB | For Windows 7, Windows 8 / Vista / XP / NTShareware SuperCool Multiple ZIP Review - Download