In Outlook 2007 on exchange server, I want messages sorted so that the unread ones are at the top of the list and read ones after that. Within each group of unread and read messages, I want them sorted by date-newest first. I can add the read field with Field Chooser, but cannot sort by it - when clicking on the icon I get a " You cannot sort by this field" message. I know how to use the search folder to list unread messages or the Current view box on the Advanced toolbar. But I want the entire message list, not just the unread ones.