If you want to take a backup of Microsoft 365 account then use MailsDaddy
Office 365 Backup Tool. It is the best third party tool that easily takes a backup of Office 365 to PST format. Users doesn’t requires any technical knowledge to use this software. The extracted PST file is compatible with all the Outlook versions including Outlook 2019, 2016, 2013, 2010, and all the older versions.