That's fine but I think it's time review the original post which would imply that, not only would you need to know VBA, but also you need to teach Arduino VBA, so it can do the looking. And likely all for no purpose - or no purpose that can't be done with a CSV. I've heard it said that 99% of all the real work ever done in Excel can be done with a CSV file. I'm inclined to believe it.