If you are looking tools to import OST to Cloud Office 365 mailbox, try OST to Office 365 Migration tool that export, import or migrate emails from OST file to Office 365 embedded entire mailboxes properties. This software also supports to import OST file data email to Live Exchange Server&Outlook mailbox. OST to Office 365 Migration tool supports to all editions of Exchange Server and export created OST file into all editions of MS Outlook PST file successfully. This software has an excellent feature that allows restoring deleted items from offline Exchange OST file and export or importing them into Office 365&Live Exchange Server with entire email objects. Import OST to Office 365 tool repair unreadable or corrupt offline OST file and save email items from them into EML or MSG file format. Software offers demo version for free, users can download and export up to 20 items from Offline OST file to Office 365&Live Exchange Mailbox without any cost. If you want to export all mailboxes from OST file, then buy full editions of OST to Office 365 tool.