Every Excel expert knows how to navigate without a mouse and how to format data using keyboard shortcuts. But do you know how to insert a sum without typing the formula? Have you struggled to ...

It is optional. Array: An array or array formula, or a reference to a range of cells for which you want the number of columns. It is required. Launch Microsoft Excel. Type into the cell A1 ...

Before you add any calculations or checkboxes, you need to tell Excel that certain columns ... a timestamp when I check a box ...

Excel's PERCENTOF function returns the percentage that a subset of data contributes to a whole dataset, saving you from having to create additional or complex formulas to generate the same outcome.