To convert OST to NSF there is a manual and professional way. But as there are chances of data loss in manual procedures. I have also faced the same issue. Use this software the users will not face any issues and any data harm while exporting OST file into NSF format. 100% accuracy is maintained during the export process. Users can save the conversion results by creating a new NSF file on their local system. There is no effect on the processing by this tool even you are running other tasks in the background on your desktop. The application doesn't disturb other tasks and it will not affect the speed of the conversion. The conversion all Windows operating systems is performed in a hassle-free way. The converted NSF file can be viewed easily on all versions including Outlook 2013, 2016, 2019 version.
Read more :- https://www.fixvare.com/products/ost/nsf/