OST Extractor Pro is the tool you are looking for if your primary concern and barrier in using Windows Outlook is to convert Offline Storage Table (OST) to Personal Storage Table (PST). As you already know what an OST file does for you, we realize you must be valuing its importance.
How to Convert OST to PST? You can try OST Extractor Pro. An ultimate tool that it has multiple output option and works both Windows and Mac.
Here is features & FAQ of OST Extractor Pro that you need to know.
What is the best ost recovery tool and how to use it?