Weeom Lotus Notes to Office 365 Migration tool is one of the best tools. This is well performed and easy to use. It facilitates email translation, Folder mapping, filter options and allows multiple mailbox migration with desirable sizes.
Lotus Notes to Office 365 Migration: https://www.weeom.com/lotus-notes-to-office365.php
Lotus Notes to Outlook Converter: https://www.weeom.com/lotus-notes-to-outlook.php
NSF to PST Converter:https://www.weeom.com/nsf-to-pst-converter.php
Blog
Migrate Lotus Notes to Office 365: https://www.weeom.com/blog/ibm-lotus-notes-to-office-365-migration-guide/