Shift all your Outlook OST files into Office 365 by taking the help of a convenient solution MailsDaddy OST to Office 365 Migration Tool. This economical solution has the ability to import multiple PST file into different Office 365 account at a single time. The program offers users to easily move large-size OST files into Exchange Online account and PST format. This unique tool can quickly migrate OST files into Cloud 365 Primary and In-Place Archive mailboxes.

Apart from this, here users can filter & convert some selected OST files into Office 365. It supports all editions of MS Outlook, Exchange server, and Windows OS.
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