Subscribe to an item to be notified when it changes. Receive email notifications that the item changed or with the changed item attached.
Subscribe to be notified when exceptions occur as opposed to receiving notification when an item changes. The item’s owner must enable the item to generate exceptions for you to subscribe. Items generate exceptions when the following steps are setup:
Manually set exceptions on items by setting the version property Flag as Exception; indicating that the item generated an exception. See Version Properties. The latest version of the item is used to determine if an exception is set.