Use the eSoftTools OST to Office 365 Converter software to know how to recover an Outlook OST file and transform it into Office 365 file. To begin, recover OST mailbox items, then import OST to Office 365 and save OST files in a variety of formats, including EMLX, EML, MSG, HTML, MBOX, VCF, and Office365. It can also show a live preview of selecting emails of OST
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