If you want to convert PST files into PDF, then you can try the SysInfo PST to PDF Converter. It is the most reliable and secure method for converting PST files into PDF. This utility can convert PST files into MBOX, EML, PNG, DOC, DOCX, HTML, CSV, and other formats. You can also perform all of these conversions in bulk. Comes with various features like preview of PST emails and other file content, including attachments, and a Mail filter to migrate only specific emails based on set dates, etc.
Read more: https://www.sysinfotools.com/converter/pst-to-pdf.php