If you are looking for the easiest way to convert OST to PST files then you should use a Professional tool like MailConverterToolsOST to PST Converter. This tool has a very simple interface that makes it user easy to understand and perform quick conversion of bulk OST to PST as well as OST to PDF, MBOX, EML, EMLX, and others. Apart from that it's also able to migrate OST files to many email clients like Gmail, Office 365, Thunderbird, etc. Moreover, you can also remove duplicate files in one click and get data with 100% accuracy without losing a single file.
