Select the items to be copied and click Edit | Copy. Or
Click the Copy Tool,or
Press Ctrl+C or press Ctrl+Insert.
The items are copied to the clipboard in four different formats: Item format, Text format, Bitmap format and Windows Metafile format.
Pasting Items
Click Edit | Paste.Or
Click the Paste Tool, or
Click Ctrl+V or click Shift+Insert.
Items are added to the current model, selected and centered in the Model Window.
Quick Copy and Paste
Select the items to be copied.
Press and hold the Ctrl key down.
Move the cursor within the selected item(s) bounding rectangle and press and hold the left mouse button down.
Move the cursor and the copied items to a new location and release the left mouse button.
If you want to do a Quick Copy and Paste of a single item it's not necessary to do a separate select.
Press the Ctrl key, point to the item, press the left mouse button, drag the item copy to a new location and release the left mouse button.