Microsoft Office 2016 Professional Plus Latest Version

Microsoft Office 2016 Professional Plus has officially reached its End of Life (EOL). As of October 14, 2025, Microsoft stopped providing technical support, bug fixes, and critical security updates for this version. While the software will continue to function on your device, it is now considered "at-risk" because new vulnerabilities will no longer be patched by Microsoft. Current Version & Update Status

Should You Still Use Office 2016 Professional Plus?

When it makes sense:

• Air-gapped or legacy environments — No internet, no need for new features.
• Offline use only — Simple document editing without collaboration.
• Temporary bridging — While migrating to a supported solution.

Build Numbers and Update History:

The original release build of Office 2016 was 16.0.4266.1001 (July 2015). Over the years, Microsoft released several major updates. The final significant "feature update" for Office 2016 came via Update 16.0.5369.1000 (late 2020). After that, only security and reliability updates were issued. microsoft office 2016 professional plus latest version

Retail/Click-to-Run (C2R) Version: The final reported version is Version 2509 (Build 19231.20194), released around October 14, 2025. Air-gapped or legacy environments — No internet, no

3. How to Get Office 2016 Professional Plus (Legally)

• Volume Licensing – For businesses (via VLSC).
• Existing product key – From a retail purchase (keys may still activate, but support is dead).
• MSDN / Visual Studio subscription – For developers/testing.

But compared to Microsoft 365, it lacks real-time collaboration, modern functions (XLOOKUP, dynamic arrays), and new PowerPoint features. Build Numbers and Update History: The original release