In this step-by-step tutorial, learn how to forecast and how to use trend lines in Microsoft Excel. Access the workbook that I used in this video here: !AmxrofZZlZ-whIlCugYHWbu-chQP-g?e=8EPmaB Watch more Excel tutorial videos: - Learn the fundamentals of Excel in just 2 hours: As full-disclosure, I work at Microsoft as a full-time employee.