If you would like to export NSF emails into Outlook PST format, then, I want to suggest that you use the NSF to PST File Converter that simply exports your numerous NSF files into Outlook PST format. You can also try a free demo version of this device,
which converts the primary 10 items/folders as well. It will translate NSF emails to PST, EML, EMLX, MBOX, and MSG and also support all versions of MS Outlook 2019, 2016, 2013, 2010, 2007, & 2003.
Find more information:
https://www.sametools.com/convert/nsf/
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