Read this through to the end for a simple solution: download the
NSF to PST Converter Software from the eSoftTools website if you wish to export emails from an NSF file to Outlook. This software presents a variety of file formats, including HTML, PST, MSG, EML, EMLX, MBOX, and others, while scanning emails from Lotus Notes. Before clicking the convert button, you must select the PST file format. The process of exporting emails from Lotus Notes to Outlook won't take too long. Once exporting is complete, the software has no effect on the file's data structure.
Read More:- Export emails from Lotus Notes to Outlook