The best method for converting data from OST to the Outlook PST file format is with eSoftTools OST to PST Converter Software. This program will assist you in switching all elements such as addresses, to-do lists, journals, assignments, attachments, and metadata (to, cc, bcc, calendars), among other things. You can also see a preview of the conversion before it is done. The demo version of this tool can convert 25 emails for free.
Read More:-Export OST to PST files
Read More:-Export OST to PST files