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How to apply mosaic (blur) Excel

When you are preparing a document or manual for external publication, you may need to refer to a web site or a screen where non-public information is visible. In such a case, you would like to put a mosaic like this on the non-public part. We will explain this method in detail in this issue...

2024.07.05

Excel Functions

How to Remove Write Protection in Excel (Forgotten Password)

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.

2025.07.12

Excel Functions

Insert rows without breaking formulas (using spil) Excel (Excel)

With Microsoft365 and Excel 2021 or later versions, you can insert, delete, and rearrange rows without breaking the formula by using a feature called Spill. In this article, we will show you a specific example...

2024.09.13

Excel Functions

How to paste Excel (Excel) images

There are functions to do various things with images, such as sticking an image on Excel or fitting an image into a cell. In this article, we will introduce two ways to import images into Excel. Place the image on top of a cellOnce you save the image to a folder somewhere on your terminal, you can use this method...

2024.05.16

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

For beginners] Explanation of causes of Excel being slow and countermeasures.

Manager, have you ever felt 'kind of heavy' when using Excel? Student Yes, sir! I recently started using Excel to improve my business, but I'm having trouble opening files because it takes so long. ManagerYes, that's right. Many people have the same problem...

2024.10.02

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)

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

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...

2024.10.29

Excel Functions

Excel (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