This is the most critical risk. This means the software no longer receives security updates.
The Enterprise edition was the most comprehensive tier of the 2007 system, designed for large teams and organizations. It included: Overview of Microsoft Office 2007 | PDF - Scribd
Microsoft Office 2007 Enterprise Blue Edition - Internet Archive 18 May 2020 — Software. Internet Arcade Console Living Room. Internet Archive End of support for Office 2007 - Microsoft Support