PST to Office 365 Migration utility is a comprehensive tool for moving data from PST files to Office 365. You can use this software to migrate a single or multiple OST/PST files to Office 365 at the same time. It works with Outlook 2019, 2016, 2013, and previous versions. It allows removing duplicate emails based on To, From, Subject, Bcc, Body addresses. Also, it restores PST to Live Exchange Online (Office 365) mailboxes.