For resolving the query you can opt a very cooperative solution named NSF to PST Converter which provides easy steps and simple GUI interface for converting Lotus Notes to MS Outlook. This software swiftly converts entire Lotus Notes mailbox data including emails, contacts, calendar, notes, tasks, drafts, etc into Outlook PST format. The software supports TEXT, HTML and RTF formats for saving the converted data. It will support 6.0/ 6.5/ 7.0/ 8.0, 8.5, 8.5.3 and 9.0.1 version of Lotus Notes.
Edit: Moderator removed link