You can spruce up your plain and boring Excel spreadsheet by inserting a logo into the document. The logo can be aligned to fit the dimensions of any cell ... "Insert" tab, click the "Picture ...

A calculating cell renders a null value. Only use the caret or other special characters in non-formula cells for best results. Double-click the "Microsoft Excel" icon on your computer's desktop.

In Excel, there are options to add both predefined cell borders and custom cell borders. Click on a cell in the worksheet. On the Home tab in the Font group, you will see a border icon ...