How to Open NSF file without using Lotus Notes for free?
Using the top-notch eSoftTools NSF to PST Converter program, you can easily convert and Open NSF file without using Lotus Notes for free, as well as into other formats including HTML, MBOX, EML, vCard, MBOX, Zimbra, and cloud-based Office 365, Yahoo, Gmail, Zimbra, and Office365. The free trial version, which can export 25 NSF files from Lotus Notes, is available to users.
More info - Open NSF file without using Lotus Notes for free
https://www.esofttools.com/blog/importing-nsf-files-into-outlook/