This change in behavior is also accompanied by several new dynamic array functions. Array formulas can return either multiple results, or a single result.īeginning with the September 2018 update for Microsoft 365, any formula that can return multiple results will automatically spill them either down, or across into neighboring cells. You can think of an array as a row or column of values, or a combination of rows and columns of values. An array formula is a formula that can perform multiple calculations on one or more items in an array.
