Download and install the PST to NSF Converter Tool as an administrator on your device.
Now, you can view the pop-up box that shows: Access to File System is enabled and IBM Notes Installed. Click Ok.
A software wizard opens on the screen displaying options:
Here, I select the Single file option and click on the Browser button to add PST files to the utility. Click on the Next button.
Another window shows you the tree structure containing all the folders present in the selected PST files.
Check the folders you want to export. Moreover, You can also preview the attributes and attachments of a specific email. Click on the Next button to move on to another step.
Select NSF file format from the drop-down menu.
Check these features, if required:
If necessary, select these options:
Opt with these features:
Now, click on the Convert button to begin the conversion process of Outlook PST files into NSF Lotus Notes.
Tap on the Download Report button to save the log report of the conversion. Moreover, you can start the conversion again by clicking on the Convert Again button.