How Export Emails from Lotus Notes to Outlook 2010

Most of the big organizations are using Lotus Notes mail client and some time they have get that their NSF file is corrupted or data is not accessible. At this situation they have only one query that how to export emails from Lotus Notes to Outlook 2010? Can Lotus Notes file convert into Outlook, how to open NSF email in Outlook etc. Only one solution needs to apply there that is Export Notes software.