To avoid duplicate selections in dropdown lists, learn how to exclude previously selected items using the COUNTIF and FILTER functions.
Unlock the secrets of finding duplicate values in Excel effortlessly. Find out how to use FILTER and COUNTIF functions
In some cases, remove duplicate doesn't help you to keep the last value. This tutorial will show you how you can solve this.
Discover how you can transform your worksheet to anonymise your data in the case you have sensitive data. 5 steps are needed