If you're looking for the best solution to convert the Lotus Notes NSF to PST file format, you should try eSoftTools NSF to PST Converter Software. It is a free utility that is officially designed to extract all the email messages from the corrupt NSF file and Export them selectively into PST file of the Outlook email client. It supports converting NSF files into 7+ file-formats including- PST, EML, EMLX, MSG, HTML, vCard, CSV, MBOX, etc.