This book is a supplement to Principles of Econometrics, 4th Edition by R. Carter Hill, William E. Griffiths and Guay C. Lim (Wiley, 2011). This book is not a substitute for the textbook, nor is it a stand alone computer manual. It is a companion to the textbook, showing how to perform the examples in the textbook using Excel 2007. This book will be useful to students taking econometrics, as well as their instructors, and others who wish to use Excel for econometric analysis.