|Conditional formatting allows you to select one or more cells, and create rules for when and how those cells are formatted and you can control the cells color using the formulas.|
The table is just data without any formulas in it.
From where I'm sitting, I was unaware of that fact, as I can't really see what your
spreadsheet looks like. :-)
But that does not preclude the fact that someone else may have added
the formulas at some time.
On the Task Bar
Select Conditional Formatting
and see if there is anything there.
Do you have any new add-ins or macros on any sheet?
If they were misapplied they could have an impact on your present worksheet.
Try starting in Safe Mode:
Safe mode forces Excel to bypass all files in the
Application Data\Microsoft\Xlstart folder,
It also forces Excel to bypass the toolbar file Excel.xlb or <username>.xlb.
So none of your add-ins or macros will be loaded.
You should see "Safe Mode" in the Excel title bar.
Click Start, and then click Run.
In the Open box, type
You might need to use the complete path name to excel, something like:
"C:\Program Files\Microsoft Office\Office\Excel.exe" /s