Multiple choice technology Keyboard shortcut to mark an email as unread in MS Outlook Ctrl + Q Ctrl + N Ctrl + D Ctrl + U Reveal answer Fill a bubble to check yourself D Correct answer Explanation In Microsoft Outlook, Ctrl+U marks selected email messages as unread. Ctrl+Q is for marking as read, Ctrl+N creates new messages, and Ctrl+D deletes items. The U key was chosen to match 'Unread'.