Edit - Paste Merge

Ribbon bar. After copying one graph, select a different graph. Select the Edit tab. in the Clipboard group, click the Paste arrow and select Paste Merge to merge the contents of the graph saved to the Clipboard with the contents of the selected graph.

Classic menus. After copying one graph, select a different graph. From the Edit menu, select Past Merge to merge the contents of the graph saved to the Clipboard with the contents of the selected graph.

Graph shortcut menu. Copy a graph by right-clicking on it and selecting Copy Graph from the shortcut menu. Then, right-click on a different graph, and select Paste Merge from the shortcut menu to merge the contents of the graph saved to the Clipboard with the contents of the selected graph.

When graphs are merged, both sets of data can be edited via the Graph Data Editor.