There are two methods to convert OST files to PDF the first method is the manual method and the second is the professional method. The manual method is effective but it has some limitations, like it takes a long time to complete the OST to PDF conversion process. Also, the non-technical users cannot use this process. So to get rid of these issues. I would like to suggest the professional Sysinfo OST to PST Converter tool. It helps users convert their OST data to PDF and multiple file formats such as PST, EML, MBOX, and so on. It allows users to preview their OST files before converting them into other file formats and email clients. It has the feature to import OST files to a number of email clients for example Gmail, Yahoo Mail, Thunderbird, Office 365, and so on. Also, the users can use this automated tool on all Windows OS versions.