Lotus Notes Address Book to Outlook (whose full, overlong name is Export Lotus Notes Address Book to Outlook) is a tool that lets you export the Lotus Notes address book directly to MS Outlook. In other words it is converting NSF format files to PST.
This way, in an easy and automated process, with Lotus Notes Address Book to Outlook you can have your Lotus Notes contacts in Outlook, including all the personal information, businesses, group lists, etc. You can also export the Lotus Notes address book to VCard (vcf).
To be able to use Lotus Notes Address Book to Outlook you must have Lotus Notes 5.0 or later, and MS Outlook 97 or later.