I have a large PST file in Outlook that’s becoming difficult to manage due to its size and also difficult to handle as well as. That’s why i would like to split them into smaller, more manageable files to improve performance and avoid any kinds of issue.

Can anyone recommend the best way to safely split a PST file without losing any data? Specifically, I’m looking for guidance on:

Are any reliable third-party utilities that can help split large PST files or should I go for manual method?