[Be careful during the installation: Forum ]
AxCrypt is the leading open source file encryption software for Windows. It integrates seamlessly with Windows to compress, encrypt, decrypt, store, send and work with individual files.
Password Protect any number of files using strong encryption.
Right-click integration with Windows Explorer makes AxCrypt the easiest way to encrypt individual files in Windows. More Info »
Double-click integration makes it as easy to open, edit and save protected files as it is to work with unprotected files.
Many additional features, but no configuration required. Just install it and use it.
AxCrypt encrypts files that are safely and easily sent to other users via e-mail or any other means. Self-decrypting files are also supported, removing the need to install AxCrypt to decrypt.
AxCrypt is translated into English, Danish, Dutch, French, German, Hungarian, Italian, Norwegian, Russian, Polish, Spanish and Swedish so chances are it speaks your preferred language.