To convert OST files into Outlook PST, you can try this OST to PST Converter tool. It is an easy and accurate software that provides secure conversion of OST files into PST file format. OST to PST Converter Software easily exports your single and multiple OST files into PST, EML, EMLX, and MSG. This application converts emails, attachments, sender, message body, etc. from OST files to Outlook PST file format. Its GUI interface is very simple and technical skill is not required. You can try it free demo version first to check the features of OST to PST Converter. The free demo version will help you to export a few files from OST to PST file format. Refer:- https://www.softakensoftware.com/ost-to-pst-converter.html

One of the best solutions to convert an OST (Offline Storage Table) file to PST (Personal Storage Table) format is by using professional software like Zook OST to PST Converter tool. This software ensures a seamless and accurate conversion process, preserving data integrity. It also offers a user-friendly interface, advanced features like selective conversion, and the ability to handle large OST files efficiently, making it the ideal solution for converting OST files to PST format. Moreover, this utility is compatible with all versions of the Windows operating system.

OST To PST Converter is the most efficient and effective software that is capable of converting OST files to PST format. The utility is fully loaded with highly advanced features considering the requirements of high-tech users. Moreover, it offers a Split Resultant PST feature to split oversized OST files into PST format. Additionally, It has a simple and user-friendly interface that is compatible with non-technical and technical users. They are flawlessly compatible with all versions of the Windows operating system. You can try the trial versions of the software to analyze the performance. 

I recommend going with the most reliable OST to PST Conversion Tool. This user-friendly software ensures easy and accurate conversion, guaranteeing the security of your data throughout the conversion process. Effortlessly export single or multiple OST files into PST, PDF, EML, HTML, MSG, and many other formats. The tool allows you to convert emails, attachments, sender information, message bodies, etc., from OST files to Outlook PST. The utility offers an intuitive GUI interface that makes it simple to use, requiring no technical skills. In addition, you can try the free demo version of the program to evaluate its features.