Double square brackets appear in structured references in Excel when column headers contain spaces or special characters. They're also inserted into formulas when you reference header and total rows ...

Excel is well known as a program that allows you to create complex tables of data. However, some people are less familiar with a special type of reference that comes with these tables: structured ...

You can use the Sum function in Microsoft Office Excel to sum columns of data, whether your data is in an Excel table or is simply a range in a column of your worksheet. The sum of a column of zeros ...

Have you ever thought of the humble SUM function as a secret weapon for advanced analytics? Most Excel users see it as a basic tool for adding numbers, but what if I told you it could do so much more?