You can sum up entire columns or rows in Microsoft Excel using the AutoSum feature. The AutoSum tool automatically selects a column or row of numbers, but you can select any set of numbers by ...

If you want to do the same for adjacent columns, you copy the SUM() function or manually enter the function for each column you’re evaluating. Using Excel’s BYCOL() and BYROW() functions ...

As well as using straightforward functions like SUM and AVERAGE in argument c, you can also use Excel's LAMBDA tool to create a function tailored to your needs. When you press Enter, you'll see ...

you must use the SUM formula. When summing multiple cells in Excel, you can add individual values, cell references or ranges, or a mixture of all three into the formula. For example, =Sum(B2 ...

To learn more about that, read How to use And and Or operators with Excel’s Advanced Filter. The next figure shows what happens when you try to sum the filtered values. You can easily tell that ...