Excel Functions

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...

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...

If you are thinking about preventing Excel mishaps, this is a must! This article details how to set up and remove sheet and book protection. In fact, you can easily set it with a password. This article will help you protect your important data.

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...

QR codes are a very convenient way to tell someone a URL or email address, rather than a string of text. It is a very convenient tool because all the recipient has to do is read it. However, the only way to make them is to create and download them using free sites on the Internet...

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...