Create agents that learn from a Teams channel

May 29, 2025
Updates released between May 13, 2025, and May 29, 2025.

Copilot extensibility

• Create agents that learn from a Teams channel
  Build custom Copilot agents that pull knowledge directly from a chosen Teams channel, letting them answer FAQs or surface project updates without extra coding.
• Insert Image as an Form.Action from Adaptive cards [Windows, Web]
  Make your adaptive cards more dynamic by adding images—perfect for illustrating ideas, sharing visual data, or engaging users with eye-catching content. This feature helps teams communicate clearly, support diverse learning styles, and create more memorable interactions in everyday workflows. Learn more.
• Insert images in adaptive cards for richer interactions [Windows, Web]
  Make your adaptive cards more dynamic by adding images—perfect for illustrating ideas, sharing visual data, or engaging users with eye-catching content. This feature helps teams communicate clearly, support diverse learning styles, and create more memorable interactions in everyday workflows. Learn more.
• Unified Agent Management for Admins in Microsoft admin center [Windows, Web]
• Admins can consistently manage Copilot agents in the Microsoft admin center, regardless of how they were built, simplifying deployment and governance. Learn more.

Copilot Studio

• Reuse connector and API actions across multiple copilots [Web]
  Take an action that already works in Copilot for Sales and publish it to Customer Service—or any other eligible Copilot—in a few clicks. Skip duplicate setup, speed up delivery, and keep functionality consistent, all with built-in admin approval flows. Learn more.
• Unpublish connector actions when data or services change [Web]
  Roll back a published connector to draft so it no longer appears in Microsoft 365 Copilot. Makers can pause their own connectors, and admins can disable any connector to update configurations or retire obsolete services—without deleting them. Learn more.

Excel

• Access Copilot tools right from the grid [Windows]
  A handy Copilot icon and context menu now follow your work in the worksheet, letting you launch summaries, formula help, and more without breaking focus. Learn more.
• Improved fallback answers in Copilot Chat [Web]
  When specific data isn’t found, Copilot seamlessly shifts to general reasoning so conversations keep flowing and users avoid dead ends in Excel for the web.
• Visual outline confirms Copilot's data range [Mac]
  When you call on Copilot, Excel now draws a clear border around the table or cell range in focus. Instantly see exactly what data will be summarized, cleaned, or chart-ready—so you can adjust the selection before Copilot gets to work.

Forms

• Automate response collection and insights in Forms [Web]
  Copilot builds a follow-up plan, sends reminders, tracks progress, and surfaces early trends—then hands off to Excel for deeper analysis—so you spend less time chasing respondents and more time acting on feedback. Learn more.
• Copilot in Forms can now reference files to help generate drafts [Web]
  When creating a form with Copilot, users can now reference existing documents such as Word, Excel, and PowerPoint. Users can also reference an existing form by pasting the form's URL into the prompt box. Additionally, Copilot can search and suggest relevant files when generating a form, so users can easily create a draft that meets their needs. Learn more.
• Copilot in Forms has been refreshed to help users better refine and edit their forms [Web]
  Copilot in Forms has been revamped to more easily help users refine and modify their forms. Users can now type prompts to Copilot to help with editing and refinement, so they can get tailored suggestions and easily get their forms ready to send. Learn more.

Microsoft 365 admin center

• Usage reports – monitor Copilot.cloud.microsoft/Teams/Outlook activity in Microsoft 365 Copilot Chat usage report [Web]

Track active users and last activity dates for Copilot.cloud.microsoft, Teams, and Outlook—even for employees without a Copilot license—to gauge grassroots adoption and fine-tune rollout plans in Microsoft 365 Copilot Chat usage report. Learn more.

Microsoft 365 Copilot Chat

• Analyze usage of declarative agent in Developer Portal
  Developers of custom app and published apps can analyze declarative agent usage in Developer Portal. By using these analytics, developers can gain valuable insights into how users interact with your app, identify areas for improvement, and make data-driven decisions to enhance the overall user experience. Learn more.
• Bring Azure AI Search indexes into Copilot Studio knowledge [Web]
  Attach existing Azure AI Search indexes as grounding data, enabling natural-language queries over enterprise content with minimal setup and no added cost.
• Copilot Chat now offers access to cloud files to insert in user prompts [Windows, Web]
  In the Web tab of Copilot Chat or Microsoft 365 Copilot, users can browse OneDrive or SharePoint, select a file, and drop it into their prompt to give Copilot precise context for richer responses.
• Enable agent builder for Copilot chat [Windows, Web]
  Empower developers with the ability to build custom agents to support Copilot Chat. This feature streamlines the creation of tailored chat experiences that enhance everyday communication and workflow. Learn more.
• Enhanced typography improves readability [Windows]
  Enjoy crisper fonts, roomier line spacing, clear headers, and neatly formatted tables and code blocks—making every Copilot chat easier to scan, share, and act on.
• Expanded reference panel for sources and search results [Windows]
  The reference widget now shows both cited sources and relevant web results, helping you verify information, resolve ambiguities, and ask smarter follow-up questions without leaving the chat.
• Ground copilots with real-time data from Salesforce, ServiceNow, and more [Web]
  Connect structured records from popular non-Microsoft apps directly in Copilot Studio so users can ask, “Show my open Zendesk tickets” and get instant answers without leaving chat.
• Pay-as-you-go policies keep Copilot costs in check [Windows, Web]
  Allocate budgets by department, set usage caps, and manage access from the admin center so your organization can innovate with Copilot while staying on budget. Learn more.
• Safe Links validates redacted URLs [Windows]
  When Copilot masks a link, Safe Links now scans it instantly and alerts users to malicious sites, adding an extra layer of protection before anyone clicks. Learn more.

PowerPoint
Ask Copilot to rewrite text as a list [Web, Mac, Windows]
Transform paragraphs into clear bullet points or lists with a single command—ideal for quickly organizing content when preparing your presentation. Learn more.

Word

• Ask agents to refine any text selection [Windows, Web]

Highlight a section of your document and let Copilot agents rewrite, shorten, or expand it—keeping the rest of your file private while you perfect the details.

• Ask Copilot to analyze document visuals [Mac]
  Add any image, chart, or diagram to your prompt and Copilot instantly extracts text, explains trends, suggests alt text, and surfaces quick insights—making documents more accessible and informative in seconds.
• Chat with Copilot about any image or chart [Windows]
  Drop a visual into Copilot chat to extract text, get a plain-language description, generate alt text, or request quick insights—perfect for accessibility checks or fast analysis