If you are looking for the conversion of OST to PST and other 8+ formats then I would recommend the profession OST to PST converter tool. This tool is highly recommended for converting multiple OST files to PST format simultaneously. This powerful tool lets you save OST files in various formats, including PST, MBOX, MSG, EML, EMLX, CSV, and more. It also offers an advanced, automated process for smooth migration of OST files to platforms like Google Workspace, Office 365, IMAP servers, and others.

Follow these simple steps to convert OST to PST files:
1. Download and install the OST to PST Converter tool on your PC.
2. Open the software and add your OST files.
3. Preview the mailbox items to ensure the data is correct.
4. Click "Save As" and select the PST format and other formats.
5. Choose where you want to save the converted files.
6. Click "Convert" to start the process, then find your PST files in the chosen folder.

To know more: https://www.convertertools.org/ost-to-pst/