I would like to suggest you this NSF to PST Converter tool by which you can easily Migrate IBM Lotus Notes NSF Files to Outlook PST. This Software easily Migrate your all Lotus Notes data like: emails, contacts, calendar, and contacts to Outlook. If you can have any doubts related to this Software then you can also try this Software free demo version and In this Software free demo version user can also save 30 emails per folder at free of cost. Use free trial version and see the original results.
You can try this Software free trial version from here: http://www.nsftopstconverter.emltopstutility.com/
Here is another top tool to convert NSF to pst with attachments. This utility runs on every version of windows and easily export Lotus Notes NSF to Outlook PST without any hassle.
I always recommend you use this NSF to PST Converter tool excellently Converts Lotus Notes NSF files to MS Outlook PST files. With this NSF to PST Converter, all the user mailboxes of Domino Server can be Converted into PST files. The application is workable with all Microsoft Outlook versions. I hope you will get the best results using this software. you can download demo version of this software which converts few items from each folder. you can download this software from here:-https://www.osttopstapp.com/nsf-to-pst.html