[header] How to calculate amount financed in excel [title] Create cell borders. [step] Click in cell b1 and drag to select cells b1 through e1. On the formatting toolbar, click the arrow on the borders button and select " outside borders " from the options available. 
Now click and drag to select cells b2 through e2. On the formatting toolbar, click the arrow on the borders button and select " thick bottom borders " from the menu options.