Are you looking to reduce duplicate email messages in MSG? If so, try SameTools Remove MSG Duplicates, which removes duplication of email messages (and attachments) in MSG format without affecting important data. The software scans and removes duplicate MSG files even if you don’t have Microsoft Outlook installed. The tool works for all Windows Versions (7, 8, 8.1, 10, 11) and has a very friendly user interface for a first-time user, which will help. It is very simple to manage the steps of removing duplicate MSG files. Just ensure that you load all of the required MSG files on the panel of the software. Once you load the MSG files, the utility will scan for duplicate MSG and remove duplicate items. This will help you keep your entire Inbox neat and clean.