For development you need to adopt better environment, to keep in mind this line user need to migrate their Exchange server EDB data into other formats. So that user have to work on it and decommission of Exchange server 2016. Decommissioning of Exchange server is not quite easy as it seems. For this particular methods are applied. If user wants these methods, you have to read this blog:
https://www.datarepairtools.com/blog/steps-to-decommission-exchange-server-2016/