Diarmuid Early won first place in the 2025 Microsoft Excel World Championship. He has some pointers for using Excel at work.

By combining To Go Special with Ctrl+Enter, you can fill thousands of empty cells with the correct data in seconds. First, ...

The simplest way to start documenting Excel formulas like a coder is by using the N () function. Although its primary job is to convert non-numeric values into numbers, it has a hidden quirk: because ...

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In the realm of data management, Excel stands out as a powerful tool, offering various functionalities to enhance efficiency and accuracy. Among these features, Boolean logic plays a critical role in ...

Automating data entry in Microsoft Excel offers a practical solution to enhance efficiency, minimize errors, and streamline data collection processes. This guide by Kevin Stratvert outlines a ...

Lacks any type of formula but allows for adding tooltips to cells (As do all other . Can be used like this for example: The following code adds a dropdown list of valid options based on a set of ...

A potentially unexpected behaviour of DataValidations in Epplus is that assignment of values in ExcelFormula will be read into Formula.Value if the file is read again. However since "1" is a valid ...

Excel’s dynamic, dependent drop-down lists are a fantastic solution for data management. These lists automatically adapt to your data, ensuring accuracy and efficiency. Dynamic array formulas are the ...

If you see the error “This value doesn’t match the data validation restrictions defined for this cell” when entering a value in an Excel cell, the solutions ...