The documentation in the section Configure > Setting Up the Application > ClipboardData Plugin, makes reference to a dll called npClipboardDataPlugin.dll. This article provides the file's location.
npClipboardDataPlugin.dll can be found in the CAB file ClipboardDataPluginInstaller.CAB
This file is located by default in the sub-directory HEAT\AppServer\lib\SWFUpload of the HEAT installation.
For example: C:\Program Files\FrontRange Solutions\HEAT\AppServer\lib\SWFUpload