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.

You can display the path in the toolbar so that you can always see the address where you saved your Excel book. We will show you how to do this in this article. Click on the "File" tab, click on "Options", click on "Quick Access Toolbar" > "All...", and then click on "Quick Access Toolbar" > "Quick Access Toolbar" > "All...".

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...

Excel has a function to change the format according to cell values and various conditions. Here is an example of a specific setting. Suppose you have a simple table like the one below, and you want to shade in red the cells where no sales have been entered. First, select the range you want to format. Next, select "Home"...