A standard installation of Microsoft Office 2003 Professional typically requires between 400 MB and 600 MB of storage space, depending on the components selected.
Many users prefer the traditional menu bars and toolbars over the "Ribbon" interface introduced in Office 2007. microsoft office 2003 72 mb download
Because "Lite" versions are aggressively stripped of files, they often lack critical Dynamic Link Libraries (DLLs). You may encounter random crashes, missing macro support, or document corruption when working on complex projects. missing macro support