You can try this eSoftTools OST to PST Conversion Tool To Fix an error OST is note an Outlook Data file OST it can easily fix all types error of OST file Outlook and this software supports all Microsoft Outlook with the help of these simple methods users can convert OST into multiple formats like MBOX, HTML, PST, Office 365, Yahoo, Gmail, Zimbra, etc. with all OST mailbox properties without any changes.

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