Here is how to automatically create a backup file every time you save Excel. Display the General Options screen First, display the "Save As" screen. On the Excel screen, click the "File" tab, then click "Save As," then click "So...

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...