The master solution to crack the big PST files into little pieces within a few minutes, there are many tools to divide large PST files but I would suggest you Split Outlook PST Tool. to split large PST files into small parts based on date, size, year and folder. This Split Outlook PST tool for free download utility easily works with all Outlook and Windows Version.
If some MS-Outlook user has slow speed and there is no space, we suggest you try Outlook PST Splitter. This software is an advanced tool that helps users to easily divide large PST files into smaller PST files by date, size, year, and folder according to their needs. It works without risk and is compatible with all versions of Windows and Outlook. This software destroys large PST files without data loss, or we can say that it is a safe conversion. This software splits the PST file into ANSI and UNICODE formats. you can download this software from here: -https://www.betavare.com/split-pst/