TechThe Registerabout 1 hour ago
Office 2016 and 2019 hit by deactivation bug
6 min read
Users of Office 2016 and 2019 report that a recent optional update, KB5002907, may have deactivated their perpetual licenses, forcing repeated product key re-entry. The bug affects Home and Business installations, causing pop-ups warning of reduced functionality. Microsoft has not confirmed the cause. Support for these versions ended on October 14, 2025, leaving users without official fixes.
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