To convert nsf to Outlook, you need to download the SysInspire free NSF to PST converter.
Various third-party tools help to convert the files from Lotus Notes to Outlook but SysInspire NSF to PST converter is the perfect one that helps in extracting all the Lotus Notes emails, contacts, journals, calendars, etc.
The SysInspire tool provides the facility to convert Lotus Notes to Outlook PST format and also other saving formats like the EML, MSG, HTML, MBOX, vCard, CSV, Zimbra, Gmail, yahoo, office 365 and also ICS format.
The major plus point of this SysInspire tool is there is no need for downloading MS Outlook on your PC. Also, the software generates a live preview of the Lotus Notes contents to gain the confidence of the user before conversion from Lotus Notes to Outlook.
More info:- NSF to PST converter