# Microsoft Fixes Classic Outlook Bug Hiding Copilot Buttons Microsoft has addressed an issue that hid Copilot Chat and Copilot buttons in the classic Outlook desktop mail client for some Windows users\. Canonical URL: https://allnews.crickdevs.com/article/microsoft-fixes-classic-outlook-bug-hiding-copilot-buttons-6315e35f Publisher: AllNews Author: AllNews Editorial Category: Technology Published: 2026-10-19T18:14:45.656Z Updated: 2026-10-19T18:14:45.656Z Microsoft has recently resolved a bug that affected the classic Outlook desktop mail client for some Windows users\. The issue caused the Copilot Chat and Copilot buttons to disappear, disrupting the user experience\. The fix is part of a broader effort by Microsoft to improve the functionality and user interface of its productivity tools\. This bug fix is expected to restore the Copilot features to their previous state, ensuring users can continue to leverage these tools seamlessly\. ## Summary - Some Windows users saw the Copilot Chat and Copilot buttons disappear from the classic Outlook desktop mail client\. - Microsoft released a fix that restores the missing Copilot Chat and Copilot buttons\. - The update is part of a broader effort to improve the functionality and interface of Microsoft productivity tools\. ## Revision note Initial brief created based on the supported claim outline\. ## Image [File photo: Microsoft fixes classic Outlook bug that hid Copilot buttons]() · www\.bleepingcomputer\.com / License metadata unavailable [Image source and licence]() ## Sources - [Microsoft fixes classic Outlook bug that hid Copilot buttons]() — BleepingComputer ## Claim connections - Microsoft has fixed a known issue that removed the Copilot Chat and Copilot buttons in the classic Outlook desktop mail client for some Windows users\. (confirmed) - [Source]()