Have you ever spent hours manually updating Excel sheets, only to realize a single broken link threw your entire dataset into chaos? Managing interconnected workbooks can feel like walking a tightrope ...

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...