Adding a new column to either an entire spreadsheet or just a portion is an easy thing to do in Microsoft Excel. Here's how.

This tutorial will show you how to create a Formula to Add, Subtract, Multiply or Divide in Microsoft Excel. You can do basic calculations easily!

Add-ins are special files that provide additional functionality. After downloading an add-in file, the Add-ins Manager must be used to install it. Add-ins files have extension .xla or .xlam (for Excel ...

How to Add the Difference Range In Excel. The simplest way to add cells in Microsoft Excel is using the plus operator, such as "=A1+A2," but that method fails when adding different ranges.