Microsoft Copilot in Microsoft 365 apps in Microsoft Copilot: what does this AI read, and can you turn it off?

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

Whether it is on by default is not yet verified; whether it can be turned off is not yet verified.

The facts, edition by edition

	Consumer
What the AI does	Write “We do so by applying large language model (LLM) processing on the content you choose to provide in Microsoft 365 apps including Word, Excel, OneNote, Outlook, and PowerPoint.” “ask Microsoft Copilot to help you rewrite a paragraph in a Word document or ask Microsoft Copilot to generate a to-do list from your notes in OneNote” “when you ask Microsoft Copilot to help you rewrite a paragraph in a Word document or ask Microsoft Copilot to generate a to-do list from your notes in OneNote.” [1] dated copy
Model	Not yet verified
What it reads	Two vendor statements Documents, Email “We do so by applying large language model (LLM) processing on the content you choose to provide in Microsoft 365 apps including Word, Excel, OneNote, Outlook, and PowerPoint.” [1] Documents “Microsoft Copilot will use the content in your files only when you ask it to perform a specific action on that specific content” [1] dated copy
Where the data goes	Not yet verified
Trains on your data	Not yet verified
On by default	Not yet verified
Can be turned off	Not yet verified
Billing	Included in the license “The Microsoft Copilot features that appear in Microsoft 365 apps as part of a Microsoft 365 Personal, Microsoft 365 Family, or Microsoft 365 Premium subscription” [1] dated copy
Feature type	Not yet verified
Frameworks the catalog links to it	Not yet verified

What the AI does: Write “We do so by applying large language model (LLM) processing on the content you choose to provide in Microsoft 365 apps including Word, Excel, OneNote, Outlook, and PowerPoint.” “ask Microsoft Copilot to help you rewrite a paragraph in a Word document or ask Microsoft Copilot to generate a to-do list from your notes in OneNote” “when you ask Microsoft Copilot to help you rewrite a paragraph in a Word document or ask Microsoft Copilot to generate a to-do list from your notes in OneNote.” [1] dated copy
Model: Not yet verified
What it reads: Two vendor statements
Documents, Email “We do so by applying large language model (LLM) processing on the content you choose to provide in Microsoft 365 apps including Word, Excel, OneNote, Outlook, and PowerPoint.” [1]
Documents “Microsoft Copilot will use the content in your files only when you ask it to perform a specific action on that specific content” [1]
dated copy
Where the data goes: Not yet verified
Trains on your data: Not yet verified
On by default: Not yet verified
Can be turned off: Not yet verified
Billing: Included in the license “The Microsoft Copilot features that appear in Microsoft 365 apps as part of a Microsoft 365 Personal, Microsoft 365 Family, or Microsoft 365 Premium subscription” [1] dated copy
Feature type: Not yet verified
Frameworks the catalog links to it: Not yet verified

Linked frameworks will appear once the reference set is published.

October 26, 2026 · Consumer · ai_type: Embedded feature → Assistant · correction by Ojja [1]

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