Go with eSoftTools OST to PST Converter software because it provides all features that users want. With this tool, you can easily migrate from Outlook to Office 365. It’s able to recover and convert Outlook OST files. Its convert Outlook OST file into office 365 and many other formats such as EML, HTML, Yahoo, Gmail, Office 365, MBOX, Zimbra, MSG, vCard, and ICS. The live preview feature helps you to see the preview of the Outlook OST file before conversion. Get the free demo version of this tool and gets 25 mailbox items from each folder.
Read more- Migrate from Outlook to Office 365