Ribbon was introduced in Microsoft Office 2007 as part of its "Fluent User Interface" and has became a well known and quite often used part of graphical user interface of applications (specifically on MS Windows).
In MS Access prior the 2007 version the user interface of an database application was implemented by standard GUI elements such as forms, buttons, menus and context menus. The users of MS Office 2007 are used to work with Ribbon and are familiar with its advantages e.g. its shortcut system, we want to provide them with a custom Ribbon interface of Access 2007 database application.