The best and easiest way to recover OST file in Outlook 2016 is by using the third party solution eSoftTools OST Recovery software. This tool recovers all previous mailbox data and converts it into a new PST format. If the outlook does not exist in your local disk and you want to recover the OST File, don't worry the eSoftTools OST Recovery tool without the presence of MS Outlook software will recover all corrupted OST files into PST format.
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