Prevent duplicates before they happen by combining a simple function with data validation.

Business issues such as incorrect transactions, data entry errors, technical glitches and poor system design may cause duplicate values in your data sets. Duplicate values can exist across rows or in ...

How to use Excel formulas to compare multi-column lists Your email has been sent Duplicates in the same column are easy to find by sorting, filtering, and using conditional formatting. When none of ...

Excel's GROUPBY function lets you group and aggregate data based on certain fields in your table of data. It also offers arguments that allow you to sort and filter your data, so you can tailor the ...