You can take an third-party tool called SysInspire NSF to PST free software to convert NSF to PST file with having all emails, contacts, calendars. attachments, images. This software allows you to move single and multiple email items of NSF into PST, EML, MSG, HTML, MBOX, EMLX, and ICS format. You can have a free demo version of this tool from the SysInspire official website.
Get the solution related to the query:- Import NSF Files into Outlook
One of the most reliable NSF to PST Converter software according to users is developed and presented by Pcinfotools. Anyone can easily convert NSF files into many different file formats such as EML, EMLX, HTML, MSG, and others. A free version is also available to test the tool's output on their computer. This tool is compatible with all versions of IBM Lotus Notes and the Windows operating system.