Loan Amortization Schedule outlines the interest and principal payments owed on a mortgage, including the outstanding balance. Loan amortization schedule. 3.4, Enter values, Loan summary. This Microsoft Excel template illustrates how to create a loan amortization schedule, as well as dealing with additional payments and variable interest rates. Free template with formulas. Loan Amortization Schedule in Excel is a powerful tool for managing loans efficiently. A template simplifies what can often be a complex process with many difficult formulas. You may also be interested in. Step 10: Now simply just drag the fill-handle of E9 down to E17. Key variables in an amortization schedule include loan amount, interest rate, term, and payment frequency.