Highlights numerical values in your sheet.
To remove the highlighting, unmark the menu entry.
Text cells are formatted in black, formulas in green, number cells in blue, and protected cells are shown with light grey background, no matter how their display is formatted.
These colors can be customized in .
If this function is active, colors that you define in the document will not be displayed. When you deactivate the function, the user-defined colors are displayed again.