I want to suggest you eSoftTools NSF to PST Converter software. it’s a very advanced tool that comes from the famous company eSoftTools. With this tool, users can easily migrate Lotus Notes NSF files into PST and many other formats such as MSG, ICS, CSV, VCF, Gmail, Office 365, Yahoo, Zimbra, EML, EMLX, and MBOX. You can also see the preview of your NSF file and convert Lotus Notes NSF file by date range with a live preview and email filtering option. Download the free demo version of this tool and get 25 mailbox items from each folder.