Use the Preview section in My Work view to show the content of
a work item you select in the My Work view. This feature makes it easy to
read the description or to catch up with a discussion of a work item that
you own. Alternatively, you can view work item details by selecting
Show Details from the context menu.
Add My Work view if it is not currently displayed. Click .
To display the Preview section, click the menu control 
in
the My Work view toolbar and select .
Select a work item in My Work view to display details in the Preview section.
To open the
work item in the editor, click the Open Preview button 
in
the Preview section toolbar.