To add a monthly escrow amount to the loan amortization schedule in Excel, you can follow these steps: Insert a new row below the last payment row. This finance video tutorial explains how to create an amortization table in excel.Microsoft Excel Mortgage Caculator XLS Worksheet. Use our free commercial real estate loan calculator to calculate the details of a commercial mortgage easily and quickly. I am trying to create an amortization schedule for my mortgage but need to add in for escrow payments. Otherwise, you can use Table 1 to determine your qualified loan limit and deductible home mortgage interest. Contact your lender to ask if your loan can have an escrow account.