Whether you've turned them off on purpose or by accident, add gridlines back into your business' worksheets via the Show group on the View tab in Excel.

These step-by-step instructions show you how to add the Developer tab to the Ribbon in Word and Excel 2016 and Office 365, and to use it to launch the Visual Basic Editor and access Visual Basic ...

Why you’d want to add the Developer tab The Developers tab gives you quick access to many of the advanced features available in Office applications.

While the tabs give you access to most of the tools needed for formatting a chart, I prefer using Excel's Format Chart Pane, as it contains even more options for tailoring your chart to your needs.