The best method to save Outlook 365 emails to a hard drive is by using the MailConverterTools Office 365 Backup Tool. This tool allows you to easily export emails, attachments, and contacts to your local drive without any hassle. It supports bulk backup, maintains folder structure, and ensures data integrity. With a simple, user-friendly interface, it's the quickest and most efficient way to back up your Outlook 365 data. A free demo version is available for testing before purchase.

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