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.

Excel Add-Ins are applications written by independent programmers that provide enhanced capabilities for the primary software. Here's how to install, manage, and choose the best Add-Ins available.

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.

Microsoft Excel users, here's a quick tip on adding a condition to a drop down list.

How to Do Percent Markup in Excel. Formulas help business owners create useful spreadsheets that perform complex calculations automatically. Markup percentages, which show the difference between ...