Return to Excel and start clicking cells. Each time you change the selection, you trigger the procedure, which changes the fill color of the active cell, temporarily.

A selected WorksheetTab in Microsoft Excel is white, but what if you want to add a splash of Color or distinctive Colors to your Worksheet Tab. Adding Color to your Worksheet Tabs is an easy way ...

Quick LinksHide Cell ValuesReplace Zeros With a DashTurn Values to Text Based on a ConditionColor Numbers Based on Their ...

My problem is that I cannot change the text color or add a background color fill in Excel. I am up to date according to Microsoft. I have also turned off Conditional Formatting.

You can use Microsoft Excel in dark mode to change elements of your spreadsheet to a darkened color palette. You control the dark mode in the Account settings from the ribbon's File menu.