Here are recommended one of the best software, entitled
Betavare DBX to PST file Exporter. This utility is designed to Export DBX to PST in Outlook 2019, 2016, 2013, 2010, 2007 & 2003. It is designed to change multiple .dbx files/folders to a PST mailbox. It will come with various file naming options. This utility is so simple and easy. Even no technical knowledge is required to run the DBX to PST Exporter application for Exporting DBX files to PST, a novice person can easily use the software.
Visit here:-
https://www.betavare.com/dbx/pst/