This is a little more informative, but you still can't tell what's really going on, because it's magic. If you could peer inside the My.Forms feature, you might find Visual Basic adding parallel form ...

Unicode lets you display extended characters in your Visual Basic 6 forms. This means that you can display characters, for instance Chinese or Russian letter, in a form that is used by an English user ...

There are several ways to add forms in Microsoft Excel 2007, without the need to learn Visual Basic and type complex code. A basic form can be very useful if you need to enter a lot of data into Excel ...