The tutorial shows how to build an amortization schedule in Excel to detail periodic payments on an amortizing loan or mortgage. In this FREE hands-on-the-keyboard "build it together" Excel tutorial, you will learn how to model an amortization schedule table for a senior mortgage loan.You can create an Excel amortization table with changing interest rates. Here's how you can build it. This Microsoft Excel template illustrates how to create a loan amortization schedule, as well as dealing with additional payments and variable interest rates. Are you saving enough money for retirement? Use our retirement savings calculator to help find out how much money you need to save for retirement.