Microsoft 365 Copilot: Agent Mode available in Excel Labs add-in (Frontier preview)

1. 18 Nov 2025

   Updated October 21,November 18, 2025: Now that this is available, weNew capabilities are now available for Frontier program customers. We have updated the content below to provide additional details as you leverage the feature. Thank you for your patience.on how to use Agent Mode in Copilot in Excel.  Introduction: Agent Mode in Microsoft 365 Copilot for Excel, available now on the web and coming soon to desktop apps, Windows desktop, is a new way for users to work with Copilot in Excel. … their content editable and stay up to date with the latest changes. Agent mode can search the web to pull in trusted, up-to-date information from the internet to complement your Excel data. It helps answer questions, provide context, and enrich your analysis without leaving your workbook. Agent Mode in Excel also supports working with Claude AI models from Anthropic to build workbooks directly in Excel. Users stay in control over all modifications at any time. To learn … can do to prepare: Ensure Frontier Features are enabled in your tenant.  Admins must allow access to Anthropic AI models by allowing ‘AI providers for other large language models’ in the Microsoft 365 Admin Center before users can access Claude with Agent Mode in Excel.   Alternatively, ensure Office add-ins are enabled in your tenant and enable use … To learn more, see Review and manage add-ins in the admin center.  Review documentation here: Use Claude with Agent Mode in Excel Compliance considerations: No compliance considerations identified, review as appropriate for your organization.

2. 21 Oct 2025
   • Tags New feature, User impact, Admin impact → Updated message, New feature, User impact, Admin impact

   Updated October 21, 2025: Now that this is available, we have updated the content below to provide additional details as you leverage the feature. Thank you for your patience.  Introduction: Agent Mode in Microsoft 365 Copilot for Excel, currently available onlynow on the web and coming soon to be released for desktop apps, introducesis a new way for users to interactwork with Copilot usingin Excel. It uses natural language to build and edit workbooks. This feature workbooks and allows users  to work alongside Copilot, keeping  keep their content editable and synchronizedstay up to date with the latest changes. The early access preview is available through the Frontier program Users stay in the Excel Labs add-in. Users maintain complete control over all modifications at any time. Read more about it in our announcement Vibe working: Introducing  To learn more, read https://aka.ms/Agent_Mode.  How to access Agent Mode and Office Agent inin Copilot in Excel:  Available to Microsoft 365 Copilot. When this will happen: We will begin rolling out Agent Mode in Excel Labs (Frontier preview) on September 29, 2025, via Frontier program customers starting October 21, 2025.  For Enterprise Microsoft 365 Copilot license customers, admins need to enable Frontier access for their organization in the Office Store. Rollout is expected to complete the same day. How this affects your organization: Who is affected: Users Microsoft 365 Admin Center.  For Microsoft 365 Personal, Family or Premium licenses, customers can turn on Frontier Features with access to the Excel Labs add-in via a new toggle under the Office Store. Admins managing Office add-ins and Microsoft 365 Copilot capabilities. What Copilot ribbon button.  Once Frontier features are turned on, customers will happen: Users will see a new Agent Mode experience in Excel Labs: Agent Mode enables natural language interaction with option under the Tools menu in Copilot to build and edit workbooks. Content remains editable chat.  This version will soon include more features and synced with workbook changes. The feature is available only through the support for additional languages.  What you can do to prepare: Ensure Frontier preview program. Admins must enable the Excel Labs add-in for users to access this capability. What you can do to prepare: Ensure Features are enabled in your tenant.  Alternatively, ensure Office add-ins are enabled in your tenant. Enabletenant and enable use of the Excel Labs add-in. Learn more about how to review To learn more, see Review and manage add-ins in the Microsoft 365 admin center: Manage add-ins in the admin center - Microsoft 365 admin | Microsoft Learn  Learn more: Get started with Copilot in Excel | Copilot in Excel | Microsoft Support center.  Compliance considerations: No compliance considerations identified, review as appropriate for your organization.

3. 29 Sep 2025 · first version seen

• Agent_Mode · aka.ms
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