A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Thanks for this - a godsend that I was able to find this answer so quickly. I had a panic from a client whose spreadsheet macro suddenly failed after years of successful use. It worked fine on my (Windows) PC, so I suspected it was something to do with the Mac version! Now to check and change all the code for all my Mac clients (sigh).