Open OST to Outlook 2016- Fail safe OST file conversion utility is remarkable for multiple tasks such as fix OST by two mode of OST scanning, restore lost Data from OST affably preceding conversion .ost into .pst. Take trial to determine how to open OST to PST via proficient Microsoft Free OST to PST Converter which is sufficient for satisfaction plus abets to export 25 items per folder. OST file Opener is user-friendly & apt for unlimited data.