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.

This article was taken from the October 2011 issue of Wired magazine. Be the first to read Wired's articles in print before they're posted online, and get your hands on loads of additional content by ...

You can easily delete a notebook in OneNote when you no longer need it by accessing File Explorer and removing it there.