As cited
Copy frozen at (site build).
vulnerabilities
Microsoft fixes classic Outlook bug that hid Copilot buttons
Microsoft addressed a bug in classic Outlook that caused Copilot Chat and Copilot buttons to disappear for certain Windows users. The issue has been resolved in an update to the desktop mail client.
Why it matters: Outlook users who rely on Copilot integration for productivity should verify the fix is applied to restore access to these features.
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