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.

Visibility is very poor if the column widths are too narrow to display all of the cell contents, or the row height is too narrow to display the contents. In this article, we will explain how to easily and automatically adjust row height and column width to just the right size. With a macro (VBA)...

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.

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...