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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

How to Clear Sheet Data with Excel VBA: Simple Macro Tutorial for Beginners

Tired of manually deleting large amounts of Excel data? This article explains how to delete sheet data using VBA macros with ClearContents, Clear, and Delete—completing the task in seconds.

2025.06.18

Excel Macro (VBA)

[For Beginners] Step-by-Step Guide to Installing SeleniumBasic

This article offers a beginner-friendly, detailed guide to installing SeleniumBasic. Stuck on the installation and thinking about giving up on automation? The truth is, anyone can install it by taking it one step at a time. A professional with 20 years of experience teaching Excel will walk you through the process.

2025.06.16

Excel Macro (VBA)

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

How to install .NET FrameWork

What are the versions of the .NET Framework? NET Framework (DotNet Framework) comes in various versions (types of toolboxes) with slightly different tools inside...

2024.10.01

Excel Macro (VBA)

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)

How to use the method of variable type "Workbook" Excel (Excel) Macro (VBA)

You can read more about how to use the variable type "Workbook" in this blog. How to use the variable type "Workbook" Excel(Excel)Macro(VBA)Here we will explain the "Workbook" method in a little more detail.Wor...

2024.06.14

Excel Macro (VBA)

PrintOut" printer and automatic printing Excel(Excel) macro(VBA)

Have you ever had the experience of printing the same Excel file every time, only to have to set it up again and again? Have you ever had such an experience? Many people spend a lot of time on Excel printing. Especially in an environment where multiple printers are used, it is a big hassle to change print settings...

2025.06.18

Excel Macro (VBA)

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 is an Excel (Excel) Macro (VBA) Module and Procedure?

When dealing with VBA, you will come across terms such as modules and procedures, which are not used in everyday life. So, here I will explain about modules and procedures. Modules include standard modules, book modules, sheet modules, fo...

2023.12.27

Excel Macro (VBA)