This lesson focuses on an additional feature on Excel developed by Microsoft. If you routinely receive complex workbooks and you need to figure out how they work, this is the lesson for you. Inquire has many new features that let you audit and explore Excel workbooks. It's also a good tool to analyze your own workbooks to see how you can improve them. As with all the lessons, this one comes with several follow along workbooks you can use to work through the exercises. NOTE: Spreadsheet Inquire is only available for Microsoft Office 365 Professional Plus or Office Professional Plus. If you do not have either one of these, you will not be able to use this lesson.