Status Page

General IT Services

2026-06-30	Status	Description
03:55 PM		DetailsTitle: Some users may be unable to leverage the Microsoft 365 Copilot rewrite feature in classic Outlook User impact: Users may have been unable to leverage the Copilot rewrite feature in classic Outlook. More info: Copilot rewrite feature functionality works as expected in Outlook on the web and new Outlook. When affected users select text and use the Copilot rewrite option in classic Outlook, they may have encountered the following error message, "Sorry, something went wrong. Copilot is working on it." Final status: We've confirmed that the fix has completed deployment and validated this issue has been remediated with affected users. Scope of impact: Impact was specific to some users of the Copilot rewrite feature in classic Outlook. Start time: Monday, May 25, 2026, at 3:56 PM UTC End time: Monday, June 29, 2026, at 11:17 PM UTC Root cause: A dependency introduced in a recent deployment caused the rewrite feature requests to fail. Next steps: - We're continuing our analysis of provided client captures and of the recent deployment to better understand the underlying cause of impact and prevent similar impact in the future. This is the final update for this event.