A lot of users looking for the easiest method to import Lotus Notes to Office 365 without damaging any data. So I suggest trying the most popular and powerful Importing and conversion tool that's called
SysInspire NSF to PST converter software. With the help of this importing tool you can instantly import Lotus Notes NSF files to Office 365 and other cloud-based email client applications. It also offers a free demo version that allows users to convert and recover 25 items from each folder wihtout any payments.
Know more:- https://www.sysinspire.com/nsf-to-pst-converter/