The best software has designed eSoftTools OST to PST Converter Software. By using the advanced features of this OST conversion tool you can see the live preview or split large size PST file into small parts. Using this tool you can export OST to Office 365 in a few minutes. It can support all versions of OS windows like XP,7,8,10, and onward.
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stella ost to pst recovery software is the best software to recover all ost file data in to pst file this software is recover all corrupted and unmounted ost mailbox items in to pst file this software is support all version 32bit and 64bit ost file this software is recover all ost items like emails, contacts, calendars, task, notes and many other items in to pst file. for more info visit this link https://www.stelladatarecovery.com/ost-to-pst-converter.html