The Paste command (Ctrl+V) pastes a plot data from the Windows Clipboard into the active Plot window. The plot series are appended to plot series that in the target Plot window. The pasted data adds plots series to the Plot window.
Execute this command from the Edit menu or the Plot Context Menu of Plot windows, or use Ctrl+V with the source Plot window active.
Copy (Ctrl+C), Copy and Paste Commands for Plots, Copy and Paste commands