The simplest and safest way to convert Lotus Notes NSF to Outlook PST is by using a secure tool such as eSoftTools NSF to PST converter software. It is easy to use and has multiple file conversion option. All elements of the mailbox including drafts, messages, contacts, tasks, etc can be restored without any data loss. Each variant of IBM Lotus Notes and Outlook is suitable for best performance of this tool.

Know more here: http://www.nsftopstconverter.esofttools.com/