Clear Clipboard History using Command Prompt
To clear the Clipboard History using the command line, open CMD.exe and execute the following command:
echo off | clip
Add Clear Clipboard to Context Menu
Open the Registry Editor and navigate to the following key:
In the left pane, right-click on Shell and select New > Key, and name it Clear Clipboard.
Next, right-click on this newly created Clear Clipboard key, select New > Key and name it Command.
Now in the right pane, double-click on Default, select Modify, and in the Value Data box, give it the following Value Data:
cmd.exe /c echo off | clip