I see Excel documents that have been reused hundreds of times for dozens of different purposes over the last 20 years. I see that all the time. "Too many styles

I see Excel documents that have been reused hundreds of times for dozens of different purposes over the last 20 years. I see that all the time. "Too many styles", VBA macros from the 90s, hundreds of items in the Name manager that refer to long-forgotten hard drives or #REF!. It's everywhere.