fosterjame: To convert an OST to PST on Windows, use Outlook's built-in Import/Export Wizard. This works if the OST is connected to an active profile. Otherwise, you'll need a third-party OST to PST converter tool like BetaVare Export OST to PST. It lets users convert an OST file into a PST file, which keeps all of their emails, contacts, calendars, notes, and other data. The tool is the perfect way to convert big or multiple OST files into PST format without any hassle. The software is safe and easy. The tool runs on all Windows versions.

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