The best way to clean up duplicate MSG files and free up storage space is by using the SameTools MSG Duplicate Remover software. It automatically scans folders, detects duplicate MSG files, and deletes them safely without affecting your important emails. The tool supports bulk removal, saving both time and effort. It is compatible with all Windows versions, including 11, 10, 8.1, 8, and 7. With its simple interface, anyone can use it without technical knowledge, and a free trial version is available to test its performance before purchase.