For an easy NSF files conversion, use NSF to PST Converter (DataRepairTools) with attachments. This software maintains your folder hierarchy along with email attachments even after conversion. It has the best option for converting NSF to PST with emails, contacts, calendars, drafts, notes, and many more. The software converts your NSF file into multiple formats, like MBOX, EML, EMLX, and MSG, without harming the data. The free trial version of this software can be installed by anyone for a few items from each folder.