The tutorial shows how to build an amortization schedule in Excel to detail periodic payments on an amortizing loan or mortgage. Loan period in years, 1, Actual number of payments, 10.This finance video tutorial explains how to create an amortization table in excel. Moratorium period: The grace period during which the debtor isn't required to make principal repayments. Fill in the "Period" column. Fill in the column titled "Period" with your payment dates. This spreadsheet creates an amortization schedule for a fixed-rate loan, with optional extra payments.