5 Reasons to use COUNTIF - #1 Prevent Duplicate Entries in a Range

Prevent duplicate entries in a range in Excel. This video looks at using the COUNTIF function with the Data Validation tool to stop the entry of duplicates. Excel provides a few useful tools for identifying and removing duplicate values. But what if you want to prevent duplicate entries in Excel. This video is the first in the '5 Alternative Reasons to use COUNTIF' series. The COUNTIF function is used to count records that meet specific criteria. It is one of the most useful functions in Excel, especially for analysing data and reporting. This video series looks at 5 alternative reasons to use the COUNTIF function. The other videos in the series can be found using the links below. #2 - Uniquely Rank Items in a List - https://youtu.be/QFdsGGlSmrU #3 - Compare Two Lists using COUNTIF - https://youtu.be/HUWrnLOOGsQ #4 - Create a Distinct Count Formula - https://youtu.be/sRUSLs6YaK0 #5 - Identify Names that Occur 3 or More Times - https://youtu.be/1CSpFBZk0X8 Find more great free tutorials at; https://www.computergaga.com