There are many tools available in the market that create an offline Outlook data file. but at my advice, the best tool is eSoftTools OST to PST Converter tool. It can help you to do the data migration without losing internal data. You can install it on every version of Windows like XP,7,8,10, and onward. It can help to convert your data into various formats like MBOX, Office 365, Yahoo, Zimbra, HTML, EML, EMLX, MSG, Gmail, and vCard. Try a free demo version of this tool to convert 25 emails free of cost.
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