There are multiple options to eliminate repeated PST files without technical knowledge. I can suggest Simple or friendly software so you can eliminate repeated PST files with "TrustVare Outlook Duplicate Removal". It automatically searches repeated PST files in your system and eliminates them without losing your original data. You don't need to install any extra software to remove duplicate PST emails. It supports each version of Windows OS like 11, 10, 8.1, 8, 7, and aslo supports ANSI and UNICODE. I'm aslo using this software, so you can try their free demo before buying this tool.

Visit here: https://www.trustvare.com/duplicate-remover/pst/