You can use the professional third-party OST to PST Converter software without Outlook if you want to fix that. This software allows users to transform multiple OST files into PST, EML, MSG, Office 365 and Outlook Exchange Server formats at one time. The tool is integrated with all recent MS Windows operating systems, including all versions of Win 10, Win 8 and Win 7, also with all MS Outlook 2016, 2013, 2010, 2007, etc. It ensures data back-up and integrity, and privacy and security. The tool is a trusted solution where one can convert OST to PST format without Outlook.
Read more- https://www.shoviv.com/ost-to-pst-converter.html
You can use the professional third-party OST to PST Converter software without Outlook if you want to fix that. This software allows users to transform multiple OST files into PST, EML, MSG, Office 365 and Outlook Exchange Server formats at one time. The tool is integrated with all recent MS Windows operating systems, including all versions of Win 10, Win 8 and Win 7, also with all MS Outlook 2016, 2013, 2010, 2007, etc. It ensures data back-up and integrity, and privacy and security. The tool is a trusted solution where one can convert OST to PST format without Outlook.
Read more- https://www.shoviv.com/ost-to-pst-converter.html