How to Export OST File to PST File
OST Converter that can automatically scans all the errors of the OST file and removes them instantly is SysOZ OST to PST Converter. You are free to convert your data into various formats like PST, EML, EMLX, MSG, vCal, vCard, and MBOX. This conversion software easily fixes all the errors and removes them into a new accessible PST file format. If you have a large PST file so you can divide it into many small PST files with the help of this application.
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Kelvin Jaren commented
There are several solutions available for the conversion of OST file to Outlook ie Free Manual Solution and third-party professional software such as OST to PST Converter. Users can try one of these methods to convert OST to Outlook PST. The manual method of which is a very difficult and unsuccessful way and with third-party software you can convert very easily. Visit:- https://www.softakensoftware.com/blog/convert-ost-to-pst.html