If you suspect you have the 16.0.4266.1001 build:
Added new chart types (like Waterfall and Pareto) and built-in Power Query integration. Microsoft Office 2016 Pro Plus 16.0.4266.1001 V...
Featured the "Designer" tool and "Morph" transitions to simplify high-end presentations. If you suspect you have the 16
Saving directly to OneDrive or SharePoint works, but features like AutoSave require the file to be stored in OneDrive and may prompt frequently. Microsoft Office 2016 Pro Plus 16.0.4266.1001 V...
1 GHz or faster x86 or x64-bit processor with SSE2 instruction set. 2 GB RAM (64-bit) or 1 GB RAM (32-bit). Disk Space: 3 GB available space. 1024 x 768 or 1280 x 800 minimum resolution.
No confusing “simplified” ribbons yet. Works fast with keyboard shortcuts (Alt key navigation).
Almost every “pre-activated” ISO of build 4266.1001 contains extra payloads. Security researchers have documented: