When using the pull-down entry function in Excel with the default settings, if you try to enter an item that is not in the list prepared for entry, an error message like the one shown below will appear and you will not be able to enter the item. In such a case, you can either allow any item to be entered, or display a message...

Excel複数行連動プルダウンを作りたい人は必見！この記事ではマクロなしで複数行のドロップダウンを連動させる方法を詳しく解説します。実はINDIRECT関数と名前定義で簡単に実現できるんです。この記事を読めば効率的な一覧表が作れます。

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...

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"...