They look like a typo, but they’re the reason your table formulas don’t break.

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’s formula bar has limitations that make writing, debugging, and managing complex formulas challenging. A new tool, the Advanced Formula Environment (AFE), developed by Microsoft for Excel 2019 ...

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions. One of the ...