We all can admit that Microsoft Excel is the best tool in its class, but there are ways to improve it with some cool and free Excel add-ins from the store. Some of these add-ins do basic things, while ...

Catherine Falls Commercial/Getty Images Linear regression is a type of data analysis ... clicking on the Office button and selecting "Options" to "Add-Ins" and from the "Manage" box, select "Excel Add ...

What are Excel add-ins? Excel add-ins (also known as Excel add-ons) are applications that extend the usability of the Microsoft Excel spreadsheet software. These tools will help you find Excel ...