Batch export OST folder to PST on Mac device by using OST Converter for Mac Tool. This utility has a very simple graphical user interface that is simple to use by any expert or home user to export OST folder to PST on Mac OS even when without having an Outlook email client configures in the machine. Download its free demo edition and convert the first 25 items from the OST folder to PST without any charges. To export OST folder to PST on Mac in bulk, you need to purchase its license edition.