Here you can simply download the best Office 365 Backup Tool
that can save mailboxes from Office 365 account to PST file format including all emails, contacts, calendars, etc. This software facilitates many advance benefits like- single mailbox backup, multiple mailboxes backup, save email attachments, selective folder conversion, multiple filters, save report facility, and many others. You can access the complete program on any Windows editions including Win 10.
Read More:- https://www.cubexsoft.com/office-365/backup/