The DRS Office 365 Email Backup Tool is the best solution for getting a complete backup of Office 365 mailbox items. Using this users can convert Office 365 emails to multiple file formats and various email clients.  This tool provides an option to eliminate duplicate emails, contacts, calendars, tasks, and notes. Additionally, users can export files without attachments for more precise backups. It has a simple and smooth interface that makes it very easy to navigate.

MacSonik Office 365 Email Backup Tool for Mac is the best Email Backup Tool . It has the capability to export Office 365 Mailbox to PST, MBOX, EML, EMLX, HTML, MHTML, and many other CSV file formats. This software gives you multiple features like restoring PST Data to Office 365 Account, Selective Backup of Office 365 Emails, Import CSV for Backup Office 365 Account, and Save Output by Chosen Folder Name. It also offers a Mail filter & task filter option to download Office 365 Mailbox to PST from a specific date range.