I have a solution, so I can suggest it. You can simply try SameTools Remover Outlook PST Duplicate. It automatically finds duplicate PST files and deletes them without losing your original data. This software doesn't ask for instal any software and supports all Windows OS versions like 11, 10, 8.1, 8, 7, and aslo supports ANSI and UNICODE. It handles large numbers of duplicate PST files without any glitches. Non-technical users can asl use this tool without technical skills. You can use a free trial.
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