Affected users have been encountering 'Product Deactivated' errors in Office apps due to license changes initiated by administrators. This issue stems from moving users between license groups.
To resolve the deactivation issue, customers can use the 'Reactivate' button in the error message or log out and restart the Microsoft 365 apps.
Microsoft advises users facing ongoing issues to verify subscription status with their administrators and to share diagnostic data collected by the Office Licensing Diagnostic Tool.
Although Microsoft has not provided a timeline for the fix, their technical team is investigating the licensing issue, and users are encouraged to keep in touch with support.
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