The data used to create the chart resides on the datasheet. When you switch from the datasheet to the chart by clicking View Datasheet or by clicking Datasheet on the View menu, Microsoft Graph hides the datasheet. To display the datasheet, click the button or the command again. To switch between the datasheet and the chart without hiding the datasheet, click the datasheet or the chart.
If you clicked outside of the chart to switch back to the program that contains the chart, you closed Microsoft Graph. To return to Microsoft Graph, double-click the chart.