Microsoft Copilot (Microsoft 365): SharePoint list support in Agent Builder

Vendor: Microsoft
Product: Microsoft 365, Microsoft 365 Copilot
Type: Availability
Announcement date: 2026-05-12
Effective date: Date not published
Impact: Affected

In brief

What the source says

Agent Builder now supports using a SharePoint list as a knowledge source for agents in Microsoft 365 Copilot. Makers can ground an agent in structured list data so users can ask questions and get responses based on information stored in a selected SharePoint list. For this release, each agent can reference one SharePoint list with up to 20,000 items, alongside other knowledge source types. Support for list attachments and lookup columns is not yet available. GA date: June CY2026 Launched General Availability Worldwide (Standard Multi-Tenant) Microsoft Copilot (Microsoft 365) Desktop Web

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Who is affected: The audience described by the Microsoft update is represented by: Microsoft Copilot (Microsoft 365): SharePoint list support in Agent Builder Agent Builder now supports using a SharePoint list as a knowledge source for agents in Microsoft 365 Copilot. Makers can ground an agent in structured list data so users can ask questions and get responses based on information stored in a selected SharePoint list. For this release, each agent can reference one SharePoint list with up to 20,000 items, alongside other knowledge source types. Support for list attachments an

Why it matters: The change matters because the official source describes: Microsoft Copilot (Microsoft 365): SharePoint list support in Agent Builder Agent Builder now supports using a SharePoint list as a knowledge source for agents in Microsoft 365 Copilot. Makers can ground an agent in structured list data so users can ask questions and get responses based on information stored in a selected SharePoint list. For this release, each agent can reference one SharePoint list with up to 20,000 items, alongside other knowledge source types. Support for list attachments an

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Raw capture
2026-08-29T09:22:49.319599+00:00
Event
Microsoft Copilot (Microsoft 365): SharePoint list support in Agent Builder Agent Builder now supports using a SharePoint list as a knowledge source for agents in Microsoft 365 Copilot. Makers can ground an agent in structured list data so users can ask questions and get responses based on information stored in a selected SharePoint list. For this release, each agent can reference one SharePoint list with up to 20,000 items, alongside other knowledge source types. Support for list attachments and lookup columns is not yet available. GA date: June CY2026 Launched General Availability Worldwide (Standard Multi-Tenant) Microsoft Copilot (Microsoft 365) Desktop Web
source
Product Microsoft 365
Microsoft Copilot (Microsoft 365): SharePoint list support in Agent Builder Agent Builder now supports using a SharePoint list as a knowledge source for agents in Microsoft 365 Copilot. Makers can ground an agent in structured list data so users can ask questions and get responses based on information stored in a selected SharePoint list. For this release, each agent can reference one SharePoint list with up to 20,000 items, alongside other knowledge source types. Support for list attachments and lookup columns is not yet available. GA date: June CY2026 Launched General Availability Worldwide (Standard Multi-Tenant) Microsoft Copilot (Microsoft 365) Desktop Web
source
Product Microsoft 365 Copilot
Microsoft Copilot (Microsoft 365): SharePoint list support in Agent Builder Agent Builder now supports using a SharePoint list as a knowledge source for agents in Microsoft 365 Copilot. Makers can ground an agent in structured list data so users can ask questions and get responses based on information stored in a selected SharePoint list. For this release, each agent can reference one SharePoint list with up to 20,000 items, alongside other knowledge source types. Support for list attachments and lookup columns is not yet available. GA date: June CY2026 Launched General Availability Worldwide (Standard Multi-Tenant) Microsoft Copilot (Microsoft 365) Desktop Web
source
Insight a salesperson
Microsoft Copilot (Microsoft 365): SharePoint list support in Agent Builder Agent Builder now supports using a SharePoint list as a knowledge source for agents in Microsoft 365 Copilot. Makers can ground an agent in structured list data so users can ask questions and get responses based on information stored in a selected SharePoint list. For this release, each agent can reference one SharePoint list with up to 20,000 items, alongside other knowledge source types. Support for list attachments and lookup columns is not yet available. GA date: June CY2026 Launched General Availability Worldwide (Standard Multi-Tenant) Microsoft Copilot (Microsoft 365) Desktop Web
source

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