I would advise you to use SysInspire free NSF to PST Converter tool, which is a powerful and safe third-party solution for converting the NSF file databases. It can recover and convert an unlimited number of NSF mailbox folder items such as notes, tasks, appointments, subjects and attachments while preserving all email attributes and folder structure. Also, after converting an NSF file to a PST file you will not see any changes in the data structure.
Get More Info:- Convert NSF to PST with Lotus Notes
MigrateEmails NSF to PST Converter is the best option for converting NSF files to PST. This is professional software that allows users to transfer NSF files into different other file formats and email clients. It has advanced features through which you can have a precise result. The mail and task filter option provided by the tool allows users to select specific emails for migration. Many users have got benefit from it, you can also take help from this expert tool and complete your task. To check its accuracy, you can download its free trial version and convert 50 emails per folder for free.