If you have previously selected a work item, you can remove the assignment so that someone else can process the work item.
To remove a work item assignment:
To display a list of work items, in the left pane, click a view name.
Do one of the following:
In the right pane, click the checkbox for the work item previously selected, and then, in the Work Item toolbar, click the Remove Assignment button.
In the Participant column, click the Remove Assignment button for the work item previously selected.
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