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.

"Huh? What is this?" Have you ever opened a CSV file in Excel only to find that the text in the file is a series of unintelligible symbols? Yes, you are now facing a troublesome problem called "garbled characters," which is a common problem that many people suffer from...

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...