Everyone has tasks that need to be accomplished. Inherent in the idea of a task is that it is:
Actionable. It requires some effort.
Measurable. There is a concrete way to measure if the task has been completed, and potentially a way to measure partial completion.
Finite. There is an end to the task, typically identified by a due date.
From an Exchange Web Services perspective, a task is simply an item that has an ItemClass starting with IPM.Task. A task is exposed in the schema by the TaskType, which derives from ItemType. As such, TaskType inherits all the properties exposed by ItemType.
Creating a task is as simple as calling CreateItem with a Task element containing all the properties that define your new task. ...