Click File >> Open >> Import when Outlook Email Client is open.
Select the Import from another program or file option from the Import and Export Wizard, then click the Next button.
Click the Next button after selecting the Comma Separated Values option.
Browse the CSV file we previously produced, select the relevant option, and then click the Next button.
Select the target location where you wish to import the NSF file and then click Next in the following step. Depending on how big your file is, this process could take some time.
You may quickly access the NSF data in the Outlook email client once the procedure is finished.
This manual approach could occasionally lead to data loss, which would be a problem.