# Microsoft Probes Outlook Copilot Button Glitch

> Source: <https://osintsights.com/microsoft-probes-outlook-copilot-button-glitch>
> Published: 2026-09-16 12:33:07+00:00

Microsoft has identified the culprit behind the missing Copilot button in Outlook: a pesky MAPI property that goes MIA after a recent software build, leaving users without access to this handy feature. The good news? The Outlook team is on the case, actively investigating and working to resolve the issue.