To migrate Exchange to Office 365 and vice versa, one can also use Weeom Exchange to Office 365 Migration tool. Through this software, One can migrate their data from Exchange, Office 365, PST, OST, and EDB to Office 365, Live Exchange Server, Outlook Stores, PST, EML, and MSG. A free demo version is also available of this professional software

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To migrate Exchange mailboxes into Office 365 accounts, one should use Weeom Exchange to Office 365 Migration software. This tool comes with many features like migration of Exchange, Office 365, EDB, OST and PST files into Office 365, Live Exchange Server, Outlook Stores, PST, EML, and MSG. I would also suggest you download and try a free trial version of this software.