Split Outlook PST Software
You can use Split Outlook PST Tool. An advance and standalone application with many split options Split PST file by Size, Date, Year, Folder, or Email ID. Each split option equipped with multiple sub-options that a user can apply to get the desired output. The resultant data will remain unaltered and precise after the process. You can try the software working first of PST Split by downloading its freeware edition that allows you to split the first 10 items free of cost.
Visit here for more info: https://www.osttopstapp.com/split-pst.html