WBS Element

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A unique code (work breakdown structure) that represents a task's position within the hierarchical structure of the project.


Parent Elements



Minimum: 0

Maximum: 1


By default, the WBS code is the task's outline number (1, 2, …, n for top-level tasks; 1.1, 1.2, …, 1.n for subtasks under task 1; and so forth). To define WBS codes, click WBS in the Project menu of Microsoft Office Project. For more information, see WBS fields.

See Also


WBSLevel Element


Task Elements and XML Structure

XML Schema for the Tasks Element