Make use of this highly suggested tool known as PassFixer NSF to PST Converter software. This tool will allow you to perform bulk NSF file conversion by which the user can convert multiple NSF files in a single process. It can Convert NSF into PST, HTML, MBOX, EML, EMLX, CSV, ICS, and many other formats with ease. It can also maintain all email properties like to, bcc, cc, subject, time, from, date, data while conversion. It never harmed your previous information or data anymore and provides you results of NSF file conversion with full accuracy.
Read More:- NSF file conversion
Manual Method to Convert NSF Files into PST Files
Launch IBM Lotus Notes program.
Click File > Open > Louts Notes Application.
In the Open Application window, browse for the required NSF file and click Open.
Now, on the File menu, click Export.
On Export dialogue box, enter the file name, file location, and saving type.