To export emails from IBM Lotus Notes you should use
eSoftTools NSF to PST Converter software because this software exports files in a few minutes and that too without any data loss. With this software, you can export your NSF file in multiple formats. This software works very well. It supports all Windows versions and also provides free demos to all users. In which you can export 25 items from all folders.
Read more:- Export Emails from IBM Lotus Notes