A must for Excel system creators and those considering preventing erroneous operations. This article explains with images how to hide sheet headings to prevent unexpected operations. In fact, it can be achieved with only a simple option setting. This article will help you create safe Excel files.

If you are confused about reference relationships in Excel functions, you have come to the right place! This article details how to find references using trace arrows. In fact, you can easily visualize the relationship between cells from the formula tab. This article will help you understand complex functions.

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...