PST Split Software is designed to split large PST file into small size PST files on the basis of sender's e-mail IDs, date and year. Interactive user interface makes it easy to split PST without any prior experience. PST file splitter is a non destructive application that incorporates high end scanning methods to split PST file and ensures complete safety of original PST file.
For more info, check this link:-
http://migrateemails.com/split-pst-file-manually/