You can eliminate multiple duplicate PST files without any issues, without downloading any software. I can recommend a Simple or friendly software to help you remove duplicate PST files with "
TrustVare Outlook Duplicate Removal". It automatically scans repeated PST files from your system and removes them without losing your original data. You don't need to download any extra software to remove duplicate PST emails. It supports any version os Windows OS like 11, 10, 8.1, 8, 7, and aslo supports ANSI and UNICODE. I am aslo using this software tool, so you can try their free demo before purchase.
Visit here:
https://www.trustvare.com/duplicate-remover/pst/