Rules & Alerts | Toolbars | More Icons Mail Icons Icons Mail | Calendar & Tasks | Contacts & Journal In the case of Unread, the envelope was replaced by a blue bar to the left of the message. Outlook 2013 aims for a cleaner look and many default icons, such as read and unread envelopes are gone. On this page we have the icons you may see in your Inbox, Sent folder, or in the message header in Outlook 2013 and above.
