How can I split my large Unicode PST file by year?
if you want to break your Outlook PST file by year, then you can easily download and run. Use of the KDETools Outlook PST Splitter tool that can easily split PST file by year. Also the tool provide more option to split large PST items according to date, year, size and folder option. you can free demo verssions of the software before proceeding further.
read more:- https://www.kdetools.com/pst-splitter.html