M365 Message Center

Geändert

12.06.2026

Services

Microsoft Copilot (Microsoft 365)

Updated June 12, 2026: We have updated the timeline. Thank you for your patience. With this release, users can discover and add SharePoint agents directly within Microsoft Teams chats on Desktop and Mac. Agents can be added via the Add Agents and Bots option in the chat roster dropdown, which opens the in-context store for discovery and selection. This enables users to quickly bring SharePoint agents into conversations to support collaboration. Additionally, SharePoint agents are available in the Teams Store under the Agents category, making them easier to find and deploy across Teams experiences. This message is associated with Microsoft 365 Roadmap ID 515465. [When this will happen] Targeted Release: Rolling out in mid-October 2026 (previously mid-July) and expected to complete in late October 2026 (previously late July).General Availability: Rolling out in late October 2026 (previousl

Geändert

10.06.2026

Services

Exchange Online

Updated June 10, 2026: We have updated the timeline. Thank you for your patience.We're making some changes to Exchange Web Services (EWS).Starting October 1, 2026 (previously June 30), we will start to block EWS access for all mailboxes without license rights to EWS. This is another step in our ongoing commitment to enhance the security and control mechanisms of EWS.[How this will affect your organization:]The impacted licenses are: Exchange Online KioskMicrosoft 365 and Office 365 F1Microsoft 365 and Office 365 F3As stated in the Service Descriptions, these licenses do not provide access to mailboxes via EWS, but these restrictions were never enforced. With this change, EWS access for users with only these license types will be blocked.[What you need to do to prepare:]If you wish these users to continue to use EWS, and your users are licensed with one of these noted above, you’ll need t

Geändert

04.06.2026

Services

Microsoft Copilot (Microsoft 365)

Updated June 4, 2026: We have updated the timeline. Thank you for your patience. [Introduction] We’re introducing a new capability in Microsoft 365 Copilot chat that allows users to RSVP to meetings directly within the chat experience. This enhancement simplifies meeting management by enabling quick responses such as Accept, Decline, Tentative, Follow, or Remove canceled meetings—all without leaving Copilot chat. [When this will happen] General Availability (Worldwide): Rollout will begin by mid-January 2026 (previously early January) and is expected to complete by end of April 2026 (previously mid-February).General Availability (GCC and DoD): Rollout will begin by early September 2026 and is expected to complete by mid-September 2026. [How this affects your organization] Who is affected: Users with a Microsoft 365 Copilot license. What will happen: Users can RSVP to meetings directly fr

Geändert

18.05.2026

Services

Microsoft Teams

Updated May 18, 2026: We have updated the timeline. Thank you for your patience. [Introduction]To improve collaboration and streamline meeting workflows, Microsoft Teams is introducing the ability to consult and merge Public Switched Telephone Network (PSTN) callers into active meetings—even when those callers are behind auto-attendants or Interactive Voice Response (IVR) systems that require Dual-Tone Multi-Frequency (DTMF) navigation. This enhancement allows users to reach subject matter experts via dial-in and seamlessly bring them into the broader conversation.This message is associated with Microsoft 365 Roadmap ID 518218.[When this will happen:] Targeted Release: Rolling out early April 2026 (previously early March), expected to complete by mid-April 2026 (previously mid-March). General Availability: Rolling out mid-April 2026 (previously late March), expected to complete by mid-Ju

Geändert

07.05.2026

Services

Microsoft 365 apps · Microsoft Copilot (Microsoft 365) · Microsoft 365 Copilot Chat

Updated May 7, 2026: We have updated the timeline. Thank you for your patience. [Introduction]We are introducing a refreshed chat‑first design in the Microsoft 365 Copilot mobile app. This update modernizes the interface and streamlines navigation to make it faster and easier for users to start, continue, and manage chats. The improved experience is based on customer feedback and aligns the mobile app more closely with the broader Copilot visual design. The updated design will release first on iOS, followed shortly by Android.[When this will happen]Public Preview: Rolling out in mid-May 2026 (previously late April) and expected to complete in late June 2026.General Availability (Worldwide, GCC, GCCH, and DoD): Rolling out in mid-May 2026 (previously late April) and expected to complete in late August 2026.[How this affects your organization]Who is affectedAll users of the Microsoft 365 C

Geändert

17.04.2026

Services

Windows

For Windows devices in Egypt, a workaround is available for an issue affecting Daylight Saving Time (DST). Between April 24 and April 30, 2026, calendar events and meeting times in Egypt will appear off by one hour only for Windows Server 2016. This is due to a calendar edge case: a five-week April in 2026. Clocks will be correctly set to Egypt DST time zone on May 1, 2026, without any further intervention. If needed, a temporary workaround is available for the affected week. When will this happen:The workaround is available today.April 24-30, 2026: Affected devices might see calendar events off by an hour.May 1, 2026: Clocks will be correctly set to Egypt DST time zone without any further intervention, whether you use the workaround or not. How this will affect your organization:If your organization has devices affected by this issue and you don’t apply the workaround, the impact is as