Edit - Paste copies the objects that are in the clipboard to your circuit. The objects remain in the buffer until you replace them by doing a Cut, Copy or Duplicate.
TIP: Edit - Paste is typically used after using Edit - Copy to copy objects from one layer to another or from one project to another. Also, when a multilayer copy or cut is performed, the objects in the clipboard will retain their relative spacing.
Shortcut Key: Ctrl-V
Edit - Paste copies the element or network on the clipboard to your netlist. If a network is on the clipboard, the entry lines for all the elements in the network are added to your circuit in addition to the entry line for the network. The element or network remains in the buffer until you replace it by doing a Cut, Copy or Duplicate.
Shortcut Key: Ctrl-V