If you've been looking for a free tool to convert an OST file to a PST file but haven't been able to find one, I recommend Sysinspire OST to PST Converter Software. It has a number of useful features that enable you to convert an OST file in the quickest and most efficient manner possible without the need for advanced technical knowledge. This utility includes a trial version that allows you to convert an OST file with up to 25 items to a variety of different file types for free. You may convert an OST file to PST, EML, EMLX, MSG, vCard, CSV, MBOX, HTML, ICS, and Office 365 using this utility.
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