It is the most asked question and interesting it can be resolved in just 3 simple steps.
- Download and install Instant Data Care NSF to PST Converter for free
- Provide the .nsf file that you intend to export and then you will be able to view the complete mailbox. Choose the required components like emails, notes, drafts, contacts, tasks, etc.
- Click on Export and choose file format of the output as .pst from the list as there are other conversion options available like eml, msg, csv. etc.
Wait for the processing depending upon the size of the data and its done.
Also know: How to configure Lotus Notes 9 on Windows