http://blogs.msdn.com/b/johnguin/archive/2011/06/13/disabling-spell-check-underlining-in-the-onenote-web-client.aspxSteve Hollasch has been at it again. He figured out a way to "disable" spell check in the OneNote Web client. In his own words, here's how: By default, unrecognized words are rendered with the under-squiggle red line in the OneNote web applicationen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)