Using Aryson Office 365 Backup & Restore Tool, This Tool is most efficient and safe Office 365 backup solution, that user can easily export the backup of Office 365 mailboxes into others file formats. On your local system or PC, backups of your Office 365 mailboxes are kept in the following file types: PST, MBOX, PDF, EML, EMLX, MSG, and more. It also recovers PST/OST file mailboxes from an Office 365 account. Office 365 Admin and their user accounts' mailboxes, public, and archive folders are all backed up. Enables users to import OST/PST Mailboxes into public, archived and mailboxes in Office 365. Office 365 accounts can back up their emails simultaneously using the Assign Impersonation Rights settings.
 

The best way to backup the Office 365 mailbox to PST is to use the Office 365 Email Backup Tool. It takes backups of O365 emails into PST, EML, MSG, MBOX, PDF, and other formats. Moreover, the tool also enables users to migrate Office 365 data into another email client, such as Thunderbird, Gmail, Hotmail, IMAP, Yahoo, Yandex, etc. It facilitates various advanced features for users so that novice users can back up O365 data easily. You can use the tool on Windows and Mac devices. Download the free version now.