The Wolfram System offers a variety of methods for accessing the system clipboard and clipboard-like operations. In addition to the traditional interactive methods for accessing the system clipboard, the clipboard can be altered and accessed from Wolfram Language programs.
CopyToClipboard — copy an object or selection to the system clipboard
Paste — paste an object to the present selection, possibly from the system clipboard
ClickToCopy — copy the given expression to the clipboard when clicked
PasteButton — button to paste an expression