Office button
A
button introduced with the Office 2007 and its introduction of the new
Ribbon feature. The Office button is found in the
top-left corner of Excel, Word, or other Office program window and looks like
the picture to the right. When the Office button is clicked, many of the
same options you'd see in the File menu such as New, Open, Save, Print, etc.
can be found.
The Office button was later removed in Office 2010. However, all of the same features can be still found under the File tab.