Excel will insert the same number of columns as you've selected. How to add a column in Excel using the "Home" tab. 1. Open Microsoft Excel on your PC or Mac computer. 2.

If you need to multiply an entire column or range of numbers by a single constant value, Excel makes this easy too. Suppose ...

How to unhide all hidden columns in Excel. 1. Open Microsoft Excel on your PC or Mac computer. 2. ... How to sum values in Microsoft Excel in 2 different ways, to add multiple numbers or cells ...