When this happens, use the DATEVALUE function to convert the text dates to Excel serial numbers. To test this function, enter five dates—as text—in cells A5 through A9.

A formula in Excel always begins with an equal sign (=), indicating to Excel that the following expression is intended for calculation. For instance, if you want to sum the values in two cells ...

On Monday, the company announced that its Copilot AI is now available as an Excel function for Microsoft 365 insiders. That means you can add COPILOT to a formula and then use natural language in a ...

Excel has over 475 formulas in its Functions Library, but we've selected the most popular, from date and time functions to mathematics and simple data manipulation.

To find the percentage difference between two sets of data in Excel, you can use the aforementioned guide. In other words, it is possible to calculate it by using a formula like this: = (B2/A2)-1.

Because Excel adds the days and hours fields for us, we don’t have to work very hard. Excel will add date and time fields when you include such a field in the PivotTable.