Split NSF File is easy with NSF Split Software. Split large IBM Notes NSF file in smaller parts easily with its easy to use interface. You can also sort them on the basis of email, size and date. NSF Splitter tool ensures that the data will be same as in the original file. Other specifications are: Split files without Any data loss, Automatic Splitting, Split PST File of any Size, Easy to use interface, etc.
To get more info at:- http://www.migrateemails.com/split-nsf-database/