Super File Encryption is a powerful and easy-to-use program for encrypting and protecting your data--perfect for offices that need to keep important documents secure. Super File Encryption adds a context menu entry to all files and folders. Super File Encryption is a powerful and easy-to-use program for encrypting and protecting your data--perfect for offices that need to keep important documents secure. Super File Encryption adds a context menu entry to all files and folders. To encrypt or decrypt files/folder, simply right-click on the files/folder in Explorer and select Encrypt or Decrypt command. The software also enables you to have secure e-mail communication over the Internet, preventing unauthorized persons reading attached files.