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 ...

Formulas in Microsoft Excel can contain a wide range of symbols, such as the asterisk (*), the question mark (?), and the "at" (@) sign. Among the most important are parentheses, square brackets, and ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...