Skip to content

Web search in Microsoft Copilot Chat: what does this AI read, and can you turn it off?

Checked on October 22, 2026 by verification chain vchain-1

This AI is on by default; it can be turned off.

The facts, edition by edition

All editions
What the AI doesSearch “Copilot preprocesses the input prompt using web grounding via the Bing search service (only applicable if web grounding is enabled).” “Web grounding sends web search queries consisting of a few words generated from the prompt to Bing to provide relevant information for the response.” “Microsoft Copilot and Microsoft Copilot Chat have an optional feature that allows Copilot to reference web content when responding to user prompts.” “When web search is enabled, Microsoft Copilot and Microsoft Copilot Chat may fetch information from the Bing search service when information from the web helps to provide a better, more grounded response.” “Allowing Microsoft Copilot to reference web content can improve the quality, accuracy, and relevance of Microsoft Copilot responses where a response would benefit from current, public information from the web.” “Microsoft Copilot Chat combines the power of Large Language Models with the Internet, work content and context, and other apps, to help users draft content, catch up on what's missed, and get answers to questions via prompts.” [1] dated copy
ModelNot yet verified
What it readsTwo vendor statements
  • Documents “However, it may also be informed by data within a Microsoft 365 document under the following conditions:” [3]
  • Documents, Other data “However, it may also be informed by data within a Microsoft 365 document under the following conditions:” [3]
dated copy
Where the data goesNot yet verified
Trains on your dataNo “Copilot Chat does not use your data to train foundation models.” “They aren't used to train generative AI foundation models.” [1] dated copy
On by defaultYes “If the IT admin enables web search, the Web content toggle is turned on by default.” [3] dated copy
Can be turned offYes “(only applicable if web grounding is enabled)” “(only applicable if web grounding is enabled).” “If the IT admin turns on web search for Microsoft Copilot users, those users still have the option to turn off web search by using the Web content toggle.” “If a user turns off the Web content toggle, web content isn't included in Copilot responses.” [1] dated copy
BillingNot yet verified
Feature typeNot yet verified
Frameworks the catalog links to itNot yet verified

All editions

What the AI does
Search “Copilot preprocesses the input prompt using web grounding via the Bing search service (only applicable if web grounding is enabled).” “Web grounding sends web search queries consisting of a few words generated from the prompt to Bing to provide relevant information for the response.” “Microsoft Copilot and Microsoft Copilot Chat have an optional feature that allows Copilot to reference web content when responding to user prompts.” “When web search is enabled, Microsoft Copilot and Microsoft Copilot Chat may fetch information from the Bing search service when information from the web helps to provide a better, more grounded response.” “Allowing Microsoft Copilot to reference web content can improve the quality, accuracy, and relevance of Microsoft Copilot responses where a response would benefit from current, public information from the web.” “Microsoft Copilot Chat combines the power of Large Language Models with the Internet, work content and context, and other apps, to help users draft content, catch up on what's missed, and get answers to questions via prompts.” [1] dated copy
Model
Not yet verified
What it reads
Two vendor statements
  • Documents “However, it may also be informed by data within a Microsoft 365 document under the following conditions:” [3]
  • Documents, Other data “However, it may also be informed by data within a Microsoft 365 document under the following conditions:” [3]
dated copy
Where the data goes
Not yet verified
Trains on your data
No “Copilot Chat does not use your data to train foundation models.” “They aren't used to train generative AI foundation models.” [1] dated copy
On by default
Yes “If the IT admin enables web search, the Web content toggle is turned on by default.” [3] dated copy
Can be turned off
Yes “(only applicable if web grounding is enabled)” “(only applicable if web grounding is enabled).” “If the IT admin turns on web search for Microsoft Copilot users, those users still have the option to turn off web search by using the Web content toggle.” “If a user turns off the Web content toggle, web content isn't included in Copilot responses.” [1] dated copy
Billing
Not yet verified
Feature type
Not yet verified
Frameworks the catalog links to it
Not yet verified

To turn it off

  • All editions: Yes “(only applicable if web grounding is enabled)” “(only applicable if web grounding is enabled).” “If the IT admin turns on web search for Microsoft Copilot users, those users still have the option to turn off web search by using the Web content toggle.” “If a user turns off the Web content toggle, web content isn't included in Copilot responses.” [1] dated copy

Frameworks the catalog links to it

Linked frameworks will appear once the reference set is published.

  • All editions: Not yet verified

Sources

  1. Privacy and protections, Microsoft, October 22, 2026
  2. Application card: Microsoft Copilot (for organizations), Microsoft, October 22, 2026
  3. Data, privacy, and security for web search in Microsoft Copilot and Microsoft Copilot Chat, Microsoft, October 22, 2026

Change log

No change since first publication.

This fact sheet says nothing about your setup: the free readout, in French for now, reads it in your tools.

Dispute a fact on this sheet