This PST to Office 365 Migration Tool gives best options (With or Without Impersonation) by these you can easily transfer Bulk PSTs to Multiple o365 accounts simultaneously. The software allows importing On-premise data of Outlook PST files to Office 365 Primary as well as In-Place Archive mailboxes. Easily migrate emails, contacts, tasks, calendars & notes etc from PST to o365. It is 100% Safe, Secure and very affordable application, you can also purchase its full version at only $10.14/Mailbox