Cryptainer LE, a free disk encryption software, creates multiple 100 MB of encrypted and password protected drives/containers.
The Cryptainer drive can be loaded and unloaded as per your need.
Just load your drive and drag and drop data into the Cryptainer drive and your data is encrypted.
Not only can you encrypt files and folders but you can also install programs in the Cryptainer drive which is accessible only through a password.
Cryptainer LE allows the creation of encrypted files that can be sent as email attachments. These files can be decrypted using the password and DecypherIT, a free utility from Cypherix®.
Tools and Utilities
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