Microsoft to Phase Out Outlook AI Customization Features
Microsoft will discontinue the Copilot Themes and Wrap up your day features in Outlook by October 2026 as part of a broader redesign of its AI interface.

Microsoft will discontinue the Copilot Themes and Wrap up your day features in Outlook by October 2026 as part of a broader redesign of its AI interface.

Microsoft is adding an automated spell-check feature to the new Outlook, with a global rollout scheduled to complete by early December 2026.
Microsoft will block .msix and .msixbundle attachments in the new Outlook for Windows and web versions starting in November 2026 to improve security.
Microsoft has identified a search bug in the classic Outlook for Microsoft 365 client that prevents results from updating after mailbox changes.

Microsoft is rolling out a classic interface theme for the new Outlook app on Windows 10 and 11, with the update scheduled for release in August 2026.

Microsoft is updating its Outlook clients with a pre-send spell-check for the new version and manual Copilot insights for the classic edition.

Windows 11 users report that the classic Outlook client freezes due to a conflict with Kaspersky antivirus following the September 2026 update.
Microsoft has acknowledged a bug in classic Outlook that causes the Copilot entry point to disappear for some licensed users following a recent software update.

Microsoft has halted plans to simplify contact cards in the classic Outlook, aiming to keep the feature consistent while continuing to push users toward the new version.
