SysTools vCard Importer is described as 'SysTools vCard importer tool is an advance and well capable utility to import multiple contacts details saved in single vCard folder to Outlook PST file format. Well with this tool you can import multiple contacts in one go by just selecting it'. There are three alternatives to SysTools vCard Importer for Windows. The best alternative is SysTools Lotus Notes Calendars to ICS. It's not free, so if you're looking for a free alternative, you could try Birdie vCard Importer.
To migrate your Notes calendar, including a recurrent, alerts, meeting, appointments, etc. in ICS format which is the globally accepted format for calendar entries you require a utility that convert Lotus Notes Calendar to ICS.
With vCard ImportExport, you are able to easily import multiple vCard files (known as .vcf files) to your Microsoft® Outlook® contacts - simply, select the contacts folder and the files to import - the app will do the job from there.