If you need a tool to import the NSF file to Outlook then I will recommend you to download and use eSoftTools NSF to PST Converter software. It will import NSF file in all Outlook PST & MSG files. Also, the software offers file formats like:- Zimbra TGZ, MBOX, HTML, EMLX, EML, vCard, and many more file formats to save Lotus Notes emails and other data items. While conversion, the software preserves complete folder hierarchy and meta properties. Demo version of the software is also available, that all users can check for free. Technical support 24*7 with email and chat is also provided by eSoftTools.