Prerequisites
Before you start, it is best to have Microsoft Excel installed on your laptop. While the free online version (https://www.microsoft.com/en-us/microsoft-365/free-office-online-for-the-web) is getting more and more powerful, some techniques in this chapter (for example, using Power Query) will only fully work in the desktop version.
Fortunately, the Script Lab approach we will describe in the next chapter will work with the online version of Excel. And we will introduce other alternatives (such as Office Scripts and Power Automate) that work outside of Excel – and are compatible with other tools (such as Google Sheets and OpenOffice) that can read and write Excel format files.
Since we will cover so many approaches to linking Excel to our business rules, let’s start with an overview of what they are.