Whole-column references in Excel are silent performance killers, often forcing the program to manage a range of over a ...

For decades, Excel worked on a simple principle: you enter a formula into one cell, and it returns a single result into that ...

What if you could write Excel formulas that practically think for themselves—automatically adjusting to changes in your data without endless tweaking? With the introduction of the dot operator and the ...

How to use passwords to grant users access to different Microsoft Excel workbook ranges Your email has been sent You can password protect a Microsoft Excel file, and ...

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 ...