If this feature has been protected then you must "unprotect" the worksheet first. If you do not have the password to do this then I'm afraid you are using a spreadsheet in which the creator did not want you to change such things (and they probably had a good reason to do so).
When you change the color of the fill in a cell you are changing its format. This action applies to Microsoft Excel.
To change a cell color in most spreadsheet applications like Microsoft Excel or Google Sheets, you should select the "Format" menu. From there, choose "Cell" or "Cell color" options, and then you can pick your desired color. Alternatively, you can often find a paint bucket icon in the toolbar for quick access to fill color options.
Yes it does.
Right-click on the tab and select option for tab color.
This is referred to as "font formatting."
You can use almost any color you want with MS Excel.
Conditional Formatting.
Cell color refers to the color of the square you have selected in Excel.
You need to use Conditional Formatting.
Formatting means that you change how your text or paragraph look like. For text it means underline, bold, change of color or font size. For paragraph it means line spacing, indents etc.
Just about every element can be modified on the chart (size, color, source, legend, title, etc.). According to my Spreadsheet Applications book the six chart modicifcations include the following: size, color, font, format, scale, and style.
Yes. Right click on the part of the chart you want to change and you will be shown the options of things to do, including changing colours.