To protect the archived data from unauthorized access, you can encrypt the archive with industry-standard AES (Advanced Encryption Standard) cryptographic algorithm with a 256-bit long key.
Note: You cannot set or change the archive encryption option for a pre-existing archive.
To encrypt an archive:
We recommend that you use a password longer than seven symbols and containing both letters (in upper and lower cases preferably) and numbers to make it more difficult to guess.
A password cannot be retrieved. Please memorize the password that you specify for an archive protection.