eSoftTools NSF to PST Converter Software is the best Software for Converting NSF to PST Files. In this software users can preview their selected NSF files. This software has a feature in which users can split their oversize data in small sizes of PST. and get a free demo edition NSF to PST Converter in which you can convert 25 NSf to PSt for free. This is a very good thing to know about how smoothly and fast this software works.