MailsDaddy - 4.29MB (Commercial Trial)
MailsDaddy OST to Office 365 migration tool is a handy solution for users who want to import Exchange Server OST files to the Office 365 platform without converting it to PST format.
An OST file (.ost) is an offline folder file used in Microsoft Outlook. Offline folders make it possible for you to work offline and then to synchronize changes with the exchange server the next time you connect. The ability to work offline is useful in environments with limited or unreliable connectivity.
When you use Microsoft Outlook, your email messages, calendar, tasks, and other items are saved on a mail server, on your computer, or both. Outlook items that are saved on your computer, are kept in an Outlook Data File (.pst and .ost).
Key features include:
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