You can use Microsoft Excel in dark mode to change elements ... in the Account settings from the ribbon's File menu. To make the cells dark, go to the Background control in the Page Layout menu ...

To create a more consistent ... Open the Excel worksheet for which you want to alter the column width. Click on the Home tab in the Excel ribbon. Go to the Cells group and click on the "Format ...

How to quickly make Excel ... How to use Excel’s Subtotal feature, 10+ tips for working with Excel’s Subtotal feature and How to use a conditional format to highlight subtotal rows in Excel.