Click anywhere on the marker to select it (three points will appear along the length of the marker). Use the Home→Clipboard→Cut Marker (or →Copy Marker) command, or standard Windows Cut or Copy keyboard shortcuts (CTRL+X or CTRL+C).

 

 

Select the plot where you want the marker to be pasted. Use the Home→Clipboard→Paste Marker command, or standard Windows Paste keyboard shortcut (CTRL+V).