Clicking the links below will lead you to important information about step area charts:
About Step Area Charts — Gives you a brief description of step area charts, and explains why you would want to use them.
Working with Step Area Chart Data — Provides information on the type of data necessary to generate step area charts (e.g., number of numeric columns), as well as how data is mapped to it.
Step Area Chart-Specific Properties — Provides a list of all the properties that are specific to step area charts. These properties allow you to customize your chart.