You can delete a folder in Dropbox on a computer or mobile device, but you can only permanently delete a folder while signed in on a computer.
If you delete your Dropbox account, it will erase all your online data and unlink your devices from the Dropbox service.
Dropbox is a popular cloud storage service, but many competitors are out there, with many offering cheaper premium plans or more free storage. Dropbox has also been subject to a few security issues ...