Cross-tenant message recall lets Exchange administrators allow trusted external Microsoft 365 tenants to recall messages sent to their users, extending a capability previously limited to users within the same tenant.
Outlook offers a new Inbox rule condition that lets users automatically sort, categorize, or prioritize messages from external senders.
Security administrators can now enable automatic quarantine for emails containing password-protected attachments that Defender for Office 365 cannot scan.
Exchange Online administrators can now set a tenant-wide default for the “Use commas as recipient separators” setting in Outlook.
Microsoft Places and Teams now support work location auto-detection via WLAN signals, allowing Teams to automatically check users in at the connected building.
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 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.
Teams will soon honor hidden user attributes without requiring scoped directory search. This update aligns Teams Search behavior with Outlook and Exchange, removing the need for “Scope Search” when used only to hide users.
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.
Some Microsoft Places desks may fail to update or sync due to mailbox conflicts. This post explains the cause and how to permanently fix desks affected by the “same mailbox already exists” error.
Microsoft Places now supports multiple desk modes so workplaces can tailor desk availability: Unavailable (not bookable), Assigned (reserved for a specific user), Reservable (bookable in advance), Drop-in (bookable only in person).
Microsoft Places is introducing a new admin role in Entra ID and new RBAC roles in Exchange Online, allowing management delegation to local building and desk administrators.
A new report in the Exchange admin center gives admins insights into user activity for the new Outlook and Outlook Classic.
Microsoft Places will be enabled in December. Administrators can restrict Places to a limited set of user accounts.
Microsoft has activated the new URL admin.cloud.microsoft/exchange for the Exchange Admin Center.
The Exchange Online archive is now also integrated in Outlook Mobile.
QR code login is supported again in Outlook Mobile for Entra ID accounts in Outlook on the Web and the new Outlook for Windows.
Reactions in emails can be disabled after a usability update in Exchange Online or per email.