Outlook saves your data files depends on the version of Outlook you’re running. By default, Outlook 2007 and 2010 store OST files in your AppData folder at the following location:
Starting with Outlook 2013, the location of OST files moved to the Documents folder. Outlook 2013 and 2016 now store PST files at the following location:
OST to PST Converter to transfer entire OST to PST format. It is the Best answer for performing the OST to PST conversion without missing any data. The Software enables the user to extract entire data from offline folders to PST format in a few moments without any alteration of data. The tool safely exports emails, contacts, calendar entries, notes, tasks, and much more into Outlook PST format.