Any program that doesn't do what you expect or let you make changes to something you should be able to edit is frustrating, and Excel is no exception. When it comes to Excel not permitting the ...

Launch Microsoft Excel. Enter data into the spreadsheet or use existing data. Select the cell you want to place the result Enter the formula Press Enter. Launch Microsoft Excel. Enter your data or use ...

Use Excel data validation to prevent duplicate values in a column Your email has been sent Prevent duplicates before they happen by combining a simple function with data validation. Excel has built-in ...