Excel’s UNIQUE function allows users to extract unique values from a dataset, making it easier to identify and remove duplicates.

Excel's AGGREGATE function lets you perform calculations whilst ignoring hidden rows, errors, or other functions that appear in the data. It's similar to the SUBTOTAL function but provides more ...

If you want to calculate how much time is left until a certain expiry date, you can use the DATEDIF function. This function returns the difference between two dates in terms of days, months, or years.

This month’s column shows how to use the remarkably versatile AGGREGATE function in Excel.