Hidden malware that gives attackers remote access to your PC.

Prior binary formats ( .doc , .xls ) were replaced with zipped XML packages. Benefits:

Released to manufacturing in November 2006 and made available to volume license customers in early 2007, Microsoft Office 2007 Enterprise Edition represented a seismic shift in productivity software. It introduced the (better known as the Ribbon ), replaced traditional menus and toolbars, and brought file format modernization with Office Open XML ( .docx , .xlsx , .pptx ).

The Enterprise Edition was the most comprehensive version available, designed for large organizations. It included everything found in the Professional Plus edition, plus unique collaboration tools: Office 2007 end of support - Microsoft Lifecycle