Microsoft is pushing the KB5021751 update to find out how many of its customers are using an Office version that has reached its end of support or will soon be out of support.
Update Office with Microsoft Update - Microsoft Support
Warning: Microsoft Teams Free (classic) retires in 2 months • The Register
Coworker's PC died so she got a new Windows 11 machine, but they didn't want to pay for the Office license so our IT installed her cracked Office 07' lmao : r/Accounting
Installing Microsoft Office hangs at 51% - Microsoft Community
Updated to Office 365 and now get error message when I open any of the - Microsoft Community
Microsoft assures KB5021751 Windows 11 update wasn't meant to steal users' private data - Neowin
Install Office updates - Microsoft Support
Stuck on Updates for this product are ready to install on any - Microsoft Community
Update Office with Microsoft Update - Microsoft Support
Discover the Real Reason Behind Microsoft's Release of Office Sniffing Update KB5021751 - gHacks Tech News
Error Message When Installing Microsoft Office - Need Assistance - Microsoft Community
Install Office updates - Microsoft Support
KB5021751 Notifies Microsoft if an Unsupported Office version is installed on Windows - gHacks Tech News