This thread recently resulted in a macro that displays all macros with more than one trigger.
I ended up putting some more time into it and thought I may as well put it here in the Library.
Find Macros With Multiple Triggers.kmmacros (4.3 KB)
Here's a sample of the output:
Macro Group -- Macro Name
• Trigger 1
• Trigger 2
• Trigger 3...
