There are two different approaches to convert OST to PDF format. You can either select the manual way or you can opt for the professional software approach to accomplish this task. In this respect, I have recently explored an informative write-up that helps to convert OST to PDF format by ensuring high data integrity. Additionally, this article also provides a software solution.
It consists of a secure and reliable OST to PST Converter that eventually helps users to convert OST files into different file formats such as PDF, PST, EML, MBOX, EML, etc. This advanced software also allows users to migrate multiple OST files directly into various popular email clients such as Gmail, Office 365, Yahoo, iCloud, etc. You can try its free trial version that will facilitate you to analyze its advanced performance.