If you are looking to remove duplicate MSG files, then you can try SameTools Remove MSG Duplicates to remove the duplication of email messages (and attachments) in MSG files while also keeping important information. The software scans and removes MSG duplicate files without losing any data. The tool is compatible with all of the Windows Versions (7, 8, 8.1, 10, 11) operating systems, and it has a very friendly user interface for a first-time user, which will help. Simply make sure that you have loaded all required MSG files on the panel of the software. This can help you maintain your whole inbox neat and tidy.