including using multiple "sheets" or tabs within the same spreadsheet file. Occasionally, you may find it useful to be able to quickly add sums across tabs. Luckily, Excel has a function for this too.

For example, whether you're using Excel for the web or the desktop app, there's a dedicated Formulas tab, where you can ...

Advanced users of Microsoft Office will want to have the Developer tab showcased on the Ribbon of Word or Excel programs at all ... know how to do it. You can use the Program’s settings, Group ...