If you a lot of sensitive data or just want to protect some files or folders from unauthorized access, then an easy way to do this can be just use an data encryption application; once such application is Chiave File Encryption.
Chiave File Encryption Application being an open source application is free to use. Even being an open source application it has the most powerful encryption method as 512-bit Rijndael; means files cannot be decrypted in any way if stolen or lost. The second great aspect of this tool is the aesthetic user interface which uses all the potential of Windows Seven – Aero Glass. About the user experience, it is very simple and provide the best: right-click context menu integration, file associations with the encrypted files and drag and drop support to populate the list of the files (and folders) that you want to encrypt.
Only you need to download the file and run the executable to get to the main interface. There you will find the options to Encrypt or decrypt files or folders. To get file Encryption; click on Encrypt and a new window will appear where you can add files or folders or just use the drag n drop feature. Once finished just enter the password; A graphical strength meter bar will help you choose a strong passwords to ensure total protection of your private stuff. After that, just hit the ‘Start Encryption’ button and the encryption process will start.
To decrypt an earlier encrypted file or folder (*.enf), select ‘Decrypt’ from the main interface of Chiave, add the files that that you want to decrypt, enter the password and ‘Start Decryption’. If you step into the program options, you will find the options to create: file associations for encrypted files, enable Windows Explorer context menu and some more including the option to install/uninstall the application entries (e.g. file associations).
Download: Latest Versions. (Windows XP 32-bit, 64-bit | Windows Vista, 7 32-bit, 64-bit)
Note: Make sure you have .net framework installed: