If You are searching a best method to Convert OST file to PST file. In this article, we will explain the different ways of converting OST to PST format. And yes, many companies are still using Outlook OST, so pay heed to these tips should you one day require the conversion. It is the easily convert ost to pst without outlook as migrate ost to pst office 365. By using OST to PST Converter tool to transfer emails properties from OST to PST Outlook format, office 365, Live Exchange server, Gmail, OLM, NSF, EMLX, vCal, vCard, EML, MSG, HTML, Zimbra, PDF, MBOX, and etc.