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Error display "#DIV/0!" Meaning and Countermeasures Excel

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!

2024.05.30

Excel Functions

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

VBA "Overflow occurred." Error cause and remedy (runtime error '6′:)

Cause of ErrorThis error occurs when the data type is not in a format that can be handled, or when the data type exceeds the range of numbers that can be handled. First, let's reproduce the error. As shown in the figure above, we have set up the code to copy the numeric value in cell "B3" to cell "B4".

2024.10.10

Excel Macro (VBA)

Forgot Password] How to remove sheet protection Excel (Excel)

I have a "sheet-protected" Excel file that I really need to unprotect, but the person in charge of applying the protection has already left the company or lost the memo, and I don't know the password. In such cases, do I have no choice but to give up? No, you can...

2026.07.09

Excel Functions

Find Out Which Version of Excel You’re Using – Quick Steps

The functions and functions that can be used may change depending on the version of Excel. You should be able to check if your version is supported when errors or problems occur, so we will show you how to check your Excel version in this issue. Acau...

2024.06.05

Excel Functions

Locking cells to protect only a specific range of sheets Excel (Excel)

When using the sheet protection function, there is a function that allows detailed usage such as "allow selection and input in this range of cells, but not in other cells". For example, let's say you have a system that automatically creates transfer data when you enter a company name and amount of money as shown below. In this example...

2024.10.08

Excel Functions

Auto-filter cuts out in the middle, how to fix Excel (Excel)

Have you ever had a situation where you applied an auto-filter and found that the auto-filter was only working on the 20th row, even though data was included up to the 100th row? In this article, we will introduce what you should check when you encounter such a situation. Auto filter aperture...

2024.06.14

Excel Functions

Forgot Password? How to Remove Read-Only (Write Protection) in Excel

If you forgot your Excel password, don’t worry! This article explains how to remove write protection easily by simply changing the file extension. Learn how to unlock read-only mode fast.

2026.07.09

Excel Functions

Macro suddenly stopped working Excel(Excel) Macro(VBA)

I have been experiencing a phenomenon around me where macros suddenly stop working after having been used normally until yesterday. The phenomenon is that I had set up a macro that is activated by double-clicking on a specific cell, but it no longer responds when double-clicked. I went to "Develop..." to check the contents of the macro.

2024.02.26

Excel Macro (VBA)

Absolute and relative references in Excel (Excel)

Absolute and relative references are explained below. Relative reference: If you want to display the same contents in cell "C3" as in the neighboring cell "B3", enter the following in cell "C3": =B3. If you want to display the same content in cell "C3" as in the neighboring cell "B3", enter the following in cell "C3": =B3

2023.12.27

Excel Functions