If you are looking for the easiest solution to perform lotus notes to office 365 migration, then Stellar Converter for NSF presents an efficient to convert NSF file data and directly export the same into Office 365. It supports HCL Notes* 10.0.1, 9.0.1, 9.0, 8.5, 8.0.2, 7.0, 6.5, and 6.0 versions. This tool also exports NSF files to PST, MSG, EML, RTF, PDF, and HTML, with no file size limitations. It is recommended by IT admins and experts. The software also gives free preview of emails, contacts, attachments, etc.
For more info- https://www.stellarinfo.com/email-repair/nsf-pst-converter.php