Range Contains Duplicates Excel Formula
where data is the named range B5:B16. Note: this is an array formula and must be entered with control + shift + enter in Legacy Excel. where data is the named range B5:B16. Background study Below are related links to help you understand how this formula works: What is an array formula? - 3 min video What is an array? - 3 min video COUNTIF function Working from the inside-out, the core of the formula is based on the COUNTIF function: Here, data (B5:B16) is given for both range and criteria....