Erm... don't you have a pull-down with an exclamation point in it on the lower right of the header for an e-mail? I think that's what it's for, isn't it? I personally never use priority, but I think urgency and priority are the same. If you don't have it, click on the icon on the left side of the header, and select customize. You should see it as an option at the right end, then, you can select it and then click OK. ...