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"...

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 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...