Use NSF to PST Converter Utility, which is capable to migrate all attachment such as emails, calendar, notes, tasks, appointments, journals and etc.It supports Lotus Notes versions 5, 6, 7, 8 and above. This software save converted mails in RTF, PDF & HTML Format also.
Read more and free download click here :-
http://www.tools4recovery.com/nsf-to-pst-converter.html