Launch Excel and click the "Developer" tab above the ribbon menu; then click the "Visual Basic" button. Type "Sub ConvertToText()" (without quotation marks) into the code pane.

Launch Microsoft Excel. Click the Developer tab, then click the Visual Basic button. Once the VBA Editor is open, type the code to change the color of the cell.

Click the "Visual Basic" button on the Developer tab to access the Visual Basic Editor. Click the plus sign next to the listing for the add-in to expand it. Here you may be prompted for a password.