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  Extends Copilot's Ask a Question beyond D365 KB to sources configured in a Copilot Studio agent: websites, SharePoint, uploaded files, Dataverse tables, and enterprise data via Microsoft Graph connectors.
  
  ## Key facts
+ - **Microsoft retired the dedicated knowledge article in September 2026** and folded it into *Extend Copilot with Copilot Studio*. As of April 2026 extensibility is configured primarily in Copilot Studio, not the Copilot Service admin centre. Existing Copilot Studio knowledge keeps working and needs no action.
  - **Applies to Ask a Question only**: does not affect case summaries, conversation summaries, email drafting, or any other Copilot capability
  - Supported source types: Public website, SharePoint, File upload, Dataverse, Microsoft Graph connectors
  - **Copilot connectors (enterprise data) are NOT supported**: must use Microsoft Graph connectors for enterprise data
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- *Source last updated: check Microsoft Learn | Check this after feature reaches GA or additional knowledge source types are supported*
+ *Source last updated: check Microsoft Learn | Check this after feature reaches GA or additional knowledge source types are supported. Source repointed 2026-09-22 after Microsoft consolidated this page into Extend Copilot with Copilot Studio.*