To remove duplicate emails from MSG files, use the GainTools MSG Duplicate Remover program. This program does a fantastic job of scanning a lot of MSG files & identifying duplicates so I can remove them. More time & computer space are saved. Some things I like about the MSG Duplicate Remover software: It helps me remove emails from my MSG files. I can use it to scan multiple MSG files at the same time. The software is easy to use & understand. It finds duplicates very quickly. It works perfectly. I can use it on any Windows computer. If you want to keep your MSG email files clean and you don't want any emails missing, MSG Duplicate Remover software is a great tool to use.