Microsoft 365 Copilot gets a new side-by-side drafting experience in Outlook, letting users refine and iterate on emails through back-and-forth interaction with Copilot without leaving the compose window.
Exchange Online has a new OWAMailboxPolicy setting that lets administrators control whether file attachments are accessible when users work offline in the new Outlook for Windows.
Microsoft is completely retiring Outlook Lite for Android. Existing installations will lose mailbox connectivity. Users should migrate to Outlook Mobile for Android.
The expanded profile card in Outlook Classic will be retired in June 2026. Only a reduced contact card will be available. Microsoft advises informing users about the change.
Teams now includes an app that opens the Outlook Mail view. Microsoft may have published this app by mistake, as the app is not available in most tenants.
Microsoft 365 Copilot Chat is getting a practical upgrade that makes email composition faster and more seamless. Users will soon be able to draft and send Outlook emails without leaving Copilot Chat.
Outlook is getting a new Graphics button, bringing emojis, stock images, and stickers to the new Outlook and Outlook on the web.
Microsoft will retire Context IQ suggestions in Outlook. Users will no longer see document suggestions when typing “/” in an email and should instead use sharing links, drag and drop, or traditional attachments to insert files.
Microsoft will retire the Outlook for Windows usage report in the Exchange Admin Center starting in April 2026. Administrators should use the Microsoft 365 Admin Center report instead.
Outlook Mobile for iOS now allows users to save calendar events as Drafts, giving organizers more flexibility when preparing meetings.
Microsoft is rolling out an improved email signature management for Outlook on the web and the new Outlook. Users can create multiple signatures, assign different defaults, use a rich text editor, and sync signatures across apps.
Microsoft is rolling out an improved People app in Outlook, introducing a modern, multi-column contacts experience. This update is mandatory for all users, without an opt-out option.
Microsoft has introduced new Microsoft Graph APIs to configure work hours, work location, and location sharing settings in Outlook. These APIs are currently in Preview.
The new Outlook for Windows also includes two release modes: a standard (default) mode and a targeted release mode. Unfortunately, the release mode is controlled by the global release preferences in your M365 tenant.
Microsoft expands the “Get diagnostics” feature to Outlook on the web. Users can now send diagnostic data directly to Microsoft Support, unless an administrator has disabled it.
Microsoft is rolling out built-in email templates for the new Outlook and Outlook on the web. Users can now create, save, and reuse templates for faster and more consistent communication.
Outlook Mobile is relocating the Send button in the compose view to the header area to reduce accidental sends.
Microsoft is updating the Global Address List (GAL) design in Outlook on the web and the new Outlook.
Microsoft will retire the activity-based authentication timeout for Outlook on the web starting in January 2026. Admins should switch to the Microsoft 365 idle session timeout to maintain consistent session control across web apps.
Outlook now shows a visual indicator on profile cards for external participants, helping users quickly identify when they’re communicating outside the organization.