You can copy keys to the keys clipboard.
The Current Time Indicator moves to the clicked position and the key is now selected.
 -click
                  and select Copy from the menu that appears.
 -click
                  and select Copy from the menu that appears.
               If Time Range-All is on in the Copy Keys options, all keys for the current object are copied to the clipboard. If Time Range-Start/End is on in the Copy Keys options, only keys between the specified Start and End time are copied to the clipboard. If Time Range-Time Slider is on in the Copy Keys options, only the keys between the Range Slider’s Start and End times are copied to the clipboard.
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            The Copy Keys Options window closes.
The Copy Keys Options window remains open.