If you are looking for the best PST splitter tool to divide large Outlook PST files, I would recommend
GainTools Split PST Tool as a reliable and efficient option. This program is made to split large PST files into smaller, easier-to-handle pieces without losing or damaging any data. It lets users separate files in many ways, like by size, year, or folder, so they can pick the one that works best for them. It works with all versions of Outlook and PST files in both ANSI and Unicode formats, thus it is quite compatible. It also keeps all of your data safe, including emails, attachments, contacts, and organisational structure, throughout the whole procedure. Its basic UI also makes it easier for anyone who are not tech-savvy to utilise. A free demo version is provided, so people could try it out before they buy it. This makes it a good choice for effectively handling enormous PST files.
Visit here:
https://www.gaintools.com/split-pst/