You can use
eSoftTools NSF to PST Converter Software to easily export Lotus Notes mailbox objects from NSF files, such as emails, attachments, outbox, sent items, inbox items, and so on. For fast Lotus Notes to Outlook migration, it is the best program. During the conversion process, no improvements or modifications are made in the Lotus Notes database. The tools work with all versions of Lotus Notes and Microsoft Outlook.
Read More:- lotus notes to outlook