The best way to convert Outlook OST file to PST format is EmailsGuru OST to PST Converter. It is designed to convert OST files to PST format without any data loss. It works with all versions of Microsoft Outlook, including Outlook 365, 2016, 2019, and earlier versions. Moreover, it has the capabilty to fix inaccessible Outlook OST files error by converting them into PST format. It is fully supportable to all versions of Windows including Windows 11, 10, 8.1, 7, XP, Vista and all below version. It is fully safe and easy method to convert Outlook OST file to PST thus any individuals or professionals can use this solution. New users are free to use a demo version without investing.

Read more: https://www.emailsguru.com/ost/pst/