(Excel examples for Beginners) In this end-to-end excel example, you will learn – How to Subtotal invoices by age in Excel.   How to Subtotal invoices by age in Excel Generic formula =SUMIF(age,criteria,amount) Explanation If you need to subtotal invoice amounts by age, you can easily do so with the SUMIF function. In … Continue reading Excel formula for Beginners – How to Subtotal invoices by age in Excel