#1. The Microsoft Office Excel - Excel Sheet Title
By the screenshot what I am gonna say is all clear. You will see in Word, the Title of the Document is before the name of the application i.e. Office Word 2003.
Experiment 14 - Microsoft Office Word 2003 Beta
But in Excel and all other Office products it is the other way around.
Microsoft Office Excel 2003 Beta - Book1
I would like to suggest that it would be better to have the Title of the document first before the name of the application. Then, by a glance at the task bar it is easier to see which excel sheet/database/etc. is opened.