How to multiply numbers in Excel Knowing how to multiply in Microsoft Excel is very important for any professional, student, etc. Begin by launching Microsoft Excel on your Windows computer.

If you have a lengthy column of numbers that you need to multiply by a percentage, Excel includes tools to instantly apply the product to the entire range of cells in the column.

Multiplying an entire Excel column by the results of a formula can be a little tricky, especially if the formula is complicated or subject to change.