if you find any ost to office 365 converter software and not find any ost converter software try stella ost to office 365 converter software to convert all ost mailbox items like emails, contacts, calendars, task, notes and many other items in to office 365 account this software interface is very simple to convert any one to ost file in to office 365 account this software is support all version 32bit and 64bit ost file this software is convert all corrupted and unmounted ost mailbox items in to pst file this software is convert all windows operating systems. For more info visit this link https://www.stelladatarecovery.com/ost-to-pst-recovery.html