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Excel: Color Cells When Input Doesn’t Match Dropdown List

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.

2025.06.11

Excel Functions

What does the error message "#VALUE!" mean and what can I do about it?

Error messages are unavoidable when dealing with Excel, and you may be surprised when they suddenly appear. Here are the meanings and countermeasures for these errors. As an example of preconditions, let's make a table like this...

2024.05.30

Excel Functions

Excel RIGHT and LEFT functions to extract a specific number of characters from the right or left of a string

I want to display only the four characters from the right of the data entered in a cell, or I want to display the rest of the data without displaying the left few characters. Conversely, I want to display only 4 characters from the left of the data entered in a cell, or I want to display the rest of the data without displaying the few characters on the right. Thus...

2025.02.19

Excel Functions

3 Easy Ways to Hide or Show Zero Values in Excel: Simple Formatting Tips

As shown in the figure below, when "A1" cell contains 150 and "A2" cell also contains the same number, 150, the calculation result of "=A1-A2" is "0" zero. There are three ways to avoid displaying numbers when the result of the calculation is "0" zero. The result of the calculation is "0" zero...

2024.10.29

Excel Functions

About Variable Types Excel(Excel) Macro(VBA)

This section explains the types used when declaring variables in "Dim Variables". Here are some typical types of variables that you only need to remember. I almost always use only these. Variable typeThe range of data that can be storedstring stringlong integer (-2,14...)

2024.06.14

Excel Macro (VBA)

Excel (Excel) to automatically create a backup file every time you save

Here is how to automatically create a backup file every time you save Excel. Display the General Options screen First, display the "Save As" screen. On the Excel screen, click the "File" tab, then click "Save As," then click "So...

2024.01.10

Excel Functions

How to Disable the Copilot Icon in Excel (4 Simple Ways)

最近Excelで上図のような「Copilot」マークが表示されるようになった方も多くなってきているのではないでしょうか。便利な機能もたくさんあるCopilotですが、セルを選択すると常に出てくるというのはさすがに邪魔な時もあります。そこで今...

2025.07.12

Excel Functions

How to use the sheet protection function.

After you have created a great system or tool in Excel, do you ever have this fear when you want others to use it? What if someone accidentally breaks a formula... What if an important function is deleted? I only want to edit the cells I need, but...

2024.10.08

Excel Functions

How to Create a Petty Cash Log in Excel (Invoice-Compliant Template Guide)

Many companies and sole proprietorships use petty cash to keep track of personal and company finances. However, it is very time-consuming and error-prone to keep balances and to post the information in the cash book to the accounting system...

2024.05.30

Let's Make SeriesLet's make a petty cash book.

How to use Excel (Excel) INDEX and MATCH functions in combination

We will show you how to display the desired data by combining the INDEX function, which refers to data from a table on another sheet, and the MATCH function. How to Write the INDEX Function There are two ways to write the INDEX function. INDEX(array, row number,) INDEX(reference, row number, , )

2024.07.27

Excel Functions