If you are looking for a simple way to download emails from Sky mail then try
Mail Backup Tool on your system. The software can download all emails from your Sky Mail account to the system in just a few simple clicks. It preserves data integrity and folder hierarchy as well throughout the process. It offers various saving options to
backup Sky Mail emails in multiple formats. It is available for both Mac and Windows OS. You can download its free version to download the first 25 emails from each folder without any cost.