: Because it no longer receives security updates, using it today can expose your system to vulnerabilities that allow malicious code to run when opening modified files [25, 26]. Availability

In the fast-paced world of software development, few suites have left as lasting a legacy as Microsoft Office 2007. Released to widespread acclaim in January 2007, it represented a seismic shift in user interface design with the introduction of the "Fluent User Interface" (better known as the Ribbon). For millions of users, it was the first version of Office that felt truly modern, even by today’s standards.