Microsoft documents page-context access for relevant questions about the current webpage in the Edge sidebar for Microsoft 365 Copilot Chat in Edge for Business. Its documentation lists the page types covered and enterprise controls that can block access. The practical takeaway: a question about a page can use its content in sidebar chat, while the documented rules are specific to this business product and chat mode.
When Edge for Business uses page context
Contextual grounding means using webpage content to answer a relevant prompt. Microsoft describes it for Microsoft 365 Copilot Chat in the Edge sidebar when a prompt refers to the current webpage, such as asking for a summary or for details from the page. Desktop or full-screen chat does not support simultaneous web context in this documentation.
Which pages and documents are covered
Microsoft lists page-content access for these types in its Edge for Business documentation:
| Page or document type | Page context listed by Microsoft |
| SharePoint intranet sites | Supported, except for embedded Office documents |
| Public websites, such as Wikipedia | Supported |
| Outlook Web App | Supported |
| PDFs | Supported |
| Office documents | Not supported |
The distinction matters if you expect the sidebar to summarize a file: Microsoft lists PDFs as supported but Office documents as unsupported. An Office document embedded in a SharePoint site is also excluded from the supported SharePoint category.
Enterprise controls that can block access
Microsoft names Microsoft Purview DLP, Intune MAM, and the EdgeEntraCopilotPageContext group policy as mechanisms for blocking page-content access. These are enterprise controls; their use depends on the applicable policy conditions set for the organization.
The scope here is Microsoft 365 Copilot Chat in Edge for Business. Microsoft’s page-context rules describe that product and its sidebar chat mode.
