If you Can't type numbers or formulas or enter data into Excel cells then it might be a problematic Add-in causing the problem. Here are some working fixes that may help.

The Food Data Type converts cells with food to nutrition details. Learn how to use Food Data Type in Excel to get calorie & nutrition facts.

Displaying values on a map chart is more meaningful than handing someone a sheet of data. Thanks to Microsoft Excel's Geography data type, creating a map chart is easier than you might think.