Many of you probably already know this, but I only bothered researching this recently. If you installed any extra tools, remember that you can add keyboard shortcuts to call these tools, which would be located in the Tools pull-down, under ”External Applications”. Examples of such tools would be the Worksharing monitor, the Filter tool, etc.
Here’s an example of what I added to access the custom filter tool:
The KeyboardShortcuts.txt file is located in your Revit installation directory under the Program folder.