The common way which is adopted by the users to export NSF to PST file is by using a tool like eSoftTools NSF file converter software. It is easy to use and does not require installation of MS Outlook. This is tool which can help user to retain all elements of the mailbox which includes emails, notes, calendar, contacts, etc. The software has the ability to restore information from damaged NSF file without data loss. A free demo version is also offered to each user with support to all editions of IBM Lotus Notes and Windows OS. Also this tool has the benefit to split PST file into many.
Just open tool and provide NSF file
Choose folder which are needed then click on the convert button and select PST file type as format and continue