Microsoft introduced the ribbon menu in Office 2007. This menu system is adaptive, meaning that it changes its appearance and the items that it presents based on the context of the actions that you are performing within the document (for instance, changing a font).
In the 2010 version of Microsoft Office, the ribbon was joined by another new concept called the Backstage view. The purpose of this view is to give the author of a document the ability to work with items that affect the document rather than the content of the document itself; these items include:
Opening/Closing/Saving a document
Adding/Changing/Removing metadata (descriptive data) about a document
Converting a document from an editable version ...