I suggest Yota Email Backup Wizard, the most reliable and best tool to back up your emails. It enables you to backup emails from various services like Gmail, Microsoft 365, Amazon Workmail, Outlook.com, Yahoo Mail, Zoho Mail, Roundcube, Rackspace, and many more. It supports saving emails locally in PDF, PST, EML, MBOX, HTML, CSV, and Text file formats.
Features of the best email backup tool:
- Download emails from over 200 email services
- Backup emails from all folders at the same time
- Save only specific emails using the filter option
- Preview emails with all content before backup
- Supports all versions of MS Windows OS
- Free trial available to verify the performance