This article describes the formula syntax and usage of the COLUMNS function in Microsoft Excel.
Returns the number of columns in an array or reference.
The COLUMNS function syntax has the following argument:
Array Required. An array or array formula, or a reference to a range of cells for which you want the number of columns.
Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter. If you need to, you can adjust the column widths to see all the data.