Keynote files are text files that define the categories and keynote values that you assign to element types, materials, and individual elements.
Keynote files for a standalone installation reside in the Revit content library. The content library can be downloaded after Revit is installed. For information on installing the content library locally see: Download and Install Content.
By default the content will be installed to the following location:
%ALLUSERSPROFILE%\Autodesk\RLT 2021\Libraries\<locale and language>
The keynote file can be located on a network server or a remote server so that it is available to all users. Use the Keynoting Settings dialog to specify the file location.
The following files are provided and installed with the content pack: