In this article, you'll learn how to use conditional formatting in Excel to automatically change cell colors when a value entered doesn't match the dropdown list. If you've been struggling with errors during data aggregation using the VLOOKUP function, you're not alone. Fortunately, combining the MATCH and ISNA functions offers a simple and effective solution.

Error messages are unavoidable when dealing with Excel, and you may be surprised when they suddenly appear. If you know the meaning of the error and what to do about it, there is nothing to be afraid of. Meaning of "#DIV/0!

By selecting items from pull-down menus instead of entering them freely, you can save time and effort in entering data, and you can also improve the reliability of data by preventing distortions in the notation. Preventing distortions in the notation allows the same data to be recognized as the same when tabulating data, so it can be used in Excel....

There are many times when you need to refer to a cell with coordinates such as "=A1" or "=C50". However, when you try to get the value from another sheet or another book, the coordinates are not always the same.