There is an advanced tool to merge multiple NSF files. If you need to merge multiple NSF files, the tool is easier and safer solution when both NSF files are opened in IBM Notes. NSF Merge tool will merge selected NSF files automatically into newer NSF file without modifying data from original file format.
Check the free procedure of this advanced tool, here:- http://www.nsfsecurityremover.com/nsf-merge.html
