Windows 10 Backup Encryption
Windows 10 has a built-in backup encryption feature that you can use to protect your backups from unauthorized access. This feature uses a password to encrypt your backups, and only the person who knows the password can decrypt the backups.
To encrypt your backups, open the Backup and Restore (Windows 7) control panel, click the “Change backup settings” link, and check the “Encrypt backup files” check box. You will then be prompted to enter a password. …