Microsoft 365 Copilot now works within shared and delegated mailboxes in Outlook, allowing executive assistants, support staff, and other users to summarize messages and draft replies without switching to their own mailbox.
Microsoft is rolling out a new cost management dashboard for Microsoft 365 Copilot services, finally bringing monthly spending limit policies for organizations, Copilot services, and user groups.
Copilot Notebooks in Microsoft 365 Copilot Chat are now available to all users with a Microsoft 365 Suite license, no longer limited to Copilot Premium. If not done already, an administrator should check the Cloud Policy to restrict Notebook creation.
Microsoft 365 Copilot now lets users create and list Outlook Inbox rules directly from Copilot Chat via natural language, without opening Outlook settings.
Microsoft has designated the Planner Agent as a core agent. Core agents are fully controlled by Microsoft. Find out what this means for your organization.
Microsoft introduced a new admin setting in the Microsoft 365 admin center to control AI models in preview, including Anthropic’s Mythos-class models with data retention.
The Frontier Admin Control now supports Entra ID groups again for managing Frontier enrollment, alongside individual user assignments. Microsoft had removed this option in November 2025.
Agent Builder in Microsoft 365 Copilot Chat now lets users submit their Copilot agents for review by IT administrators, making them available to everyone in the organization or to a specific group of people through the Agent Store.
Microsoft updated the licensing prerequisites for the Agent 365 standalone license. Enterprise customers now require Microsoft 365 E5, while SMB customers need Business Premium plus additional add-ons for full functionality.
Audio Recap in Teams now supports additional languages, allowing users to customize executive- or podcast-style meeting summaries in their preferred language.
Microsoft will release the Planner Agent to general availability, enabling all Microsoft 365 Copilot users to create and manage tasks and plans within Copilot experiences. The agent is automatically preinstalled for eligible users, with no option to restrict the availability to specific users.
Microsoft informed about the general availability of Learning Agent in Microsoft 365 Copilot, previously available in the Frontier program, bringing personalized, AI-assisted upskilling to the tools users already use.
Microsoft introduced Authoritative Sites for SharePoint, allowing administrators to designate sites as trusted sources of organizational information prioritized in Copilot Chat and Copilot Search, with two-class search results for your users.
Microsoft added Mistral AI as a selectable LLM provider in Copilot Studio. Mistral Medium 3.5 is currently in Public Preview and experimental, and must be explicitly enabled by an administrator before makers can use it.
Microsoft has added agentic calendar capabilities to Microsoft 365 Copilot for users in the Frontier program, enabling users to automatically accept, decline, and manage Outlook meetings.
Microsoft has added Flux.2 Flex from Black Forest Labs as a new image generation model in PowerPoint for Microsoft 365 Copilot users. It’s a third-party model hosted within Microsoft-controlled Azure infrastructure.
The Interpreter agent in Teams now supports a new consecutive interpretation mode for turn-based speech-to-speech translation for meetings in two languages.
Microsoft is rolling out a new Personal Attendant agent for Teams Phone to users with a Microsoft 365 Copilot license in the Frontier program. Personal Attendant is an AI-powered voice agent that handles incoming calls on behalf of the user.
Copilot can now be added as a participant in Teams 1:1 and group chats, allowing members with a Microsoft 365 Copilot license to ask questions via @mention.
Copilot in SharePoint is transitioning from opt-in to opt-out, meaning Copilot will be enabled by default on all SharePoint sites for licensed Microsoft 365 Copilot users starting in June 2026. Admins should review their SharePoint tenant settings.