Message Sensitivity is a plugin for Microsoft Outlook 2003-2003 that allows changing sensitivity of message with just one click. With this plugin now you can mark your e-mail messages as confidential very fast and simple. Outlook 2003 Plugin - Message Sensitivity What this plugin do? It adds a button to ribbon menu bar that allows changing message sensitivity with single click. Message sensitivity in Outlook 2003 is an advice to message recipient about how to treat message content. There are 4 levels of message sensitivity: Normal, Private, Personal and Confidential. Usually this can be adjusted via message properties and you need around 8 clicks to do so. This Outlook 2003 plugin allows you to set message sensitivity to confidential with just one click.