Office365 has version history. You can flip back and forwards and see the changes any other collaborator has made. You can set the history to be pretty deep too

Office365 has version history. You can flip back and forwards and see the changes any other collaborator has made. You can set the history to be pretty deep too: https://support.office.com/en-us/article/enable-and-configure-versioning-for-a-list-or-library-1555d642-23ee-446a-990a-bcab618c7a37 https://support.office.com/en-us/article/enable-and-configur...