The best option forImport NSF to Office 365, either manually or using a converter tool. Last year, I had a similar problem when I switched employment and lost access to all of my critical emails. As a result, I used the SysInspire NSF to PST Conversion Tool, which successfully Import NSF to Office 365. It supports converting the NSF file to multiple different file formats such as PST, EML, EMLX, MSG, HTML, MHTML, MBOX, VCF, CSV, ICS, etc, and also in other emailing platforms like Gmail, Yahoo, and Office 365, Zimbra. It instantly removes all Errors from the Lotus Notes NSF file and recovers its inner items like- emails, contacts, chats, tasks, notes, journals, notes, appointments, and more to PST in a very short time. Get a free trial version of this software from the given link that will offer users to recover and convert NSF files with selective 25 items.