If you are worried to extract NSF to PST file then I recommend you to try this eSoftTools NSF to PST Converter tool. This is an error-free tool with many advanced features such as multiple naming options, mass conversion, recovery of damaged NSF files, etc. it can provide many formats for NSF to PST Conversion such as HTML, MBOX, EML, EMLX, Yahoo, Gmail, Cloud, ICS, CSV, MSG, and so on. It is supported with all editions of MS Outlook or Windows OS.

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