The Data View pushbutton toggles the displayed EA through different data views for most EAs. The opening default view presents the value of the EA and the pushbutton is labeled with the type data. Pressing the button again will in turn present the following:
Binary EA Value - Shows the EA starting with the control words that define the EA type.
Binary View of EA - Shows the complete data for the EA.
Binary View of EA List - Shows the view of all EAs for the file object.