This is like vacuuming your house or office. Do you guys go without it for years on end? It's hard to believe this critical and essential feature does not exist. I currently have multiple folders that can be merged easily on windows, but not on Dropbox. One thing the Dropbox developers have to understand is that business accounts have larger amount of files on Dropbox than on their systems, and because of the painful speed of upload and download and the limitation of files that can be transferred at once (3000 files), it is not possible to do this on the desktop side. So there has to be a house cleaning tool that allows for maintenance and merging of duplicate folders and files. You can even find this on your phone these days. It is hard to imagine Dropbox for business customers do not have this option.