The Attributes Pane
The Attributes pane displays all of the low-level properties, and input and output options for any given item in the Structure pane. Click on any Structure element, and the composition of the Attributes pane will adjust to show all of the possible ways its can be customized.
You cannot edit any Style or Attributes options for any selected report elements in the workspace while the Data tab has focus. Click the Structure tab to see the Style and Attributes panes for selected elements.