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 ...
After opening Excel, click File. At the bottom of the File menu, click Options. Click Add-Ins and then Go… . This opens an additional pop-up window that allows you to select the Analysis ToolPak.
Microsoft plans to add a feature to Office Excel that will make it harder for cyberattackers to exploit the spreadsheet application's "add-ins" function to run malicious code on a victim's computer.