September 13, 2026 · By Bessie
Your Team Is Probably Using the Wrong Copilot
Microsoft 365 Copilot and the free consumer Copilot are two different products with nearly the same name. The enterprise data protections you were told about attach to the licensed one. Plenty of staff are signed into the other one, with a personal account, on a work machine.
This is the quietest AI governance problem I run into, and it is almost never anyone's fault. The names are the trap.
Two products, one name
The licensed Microsoft 365 Copilot carries the enterprise data protection commitments: your prompts and tenant data stay inside the compliance boundary and are not used to train foundation models.
The consumer Copilot is a separate product with its own terms. It is free, it is available in the browser and on Windows, and signing into it with a personal Microsoft account is a completely ordinary thing for a person to do.
Nothing about the interface makes clear which one someone is in.
Why this actually matters
Your policy says Copilot is approved. Your staff read that as permission. The version they open is whichever one loads, and the paragraph you cited about data protection may not apply to it.
The failure mode is a person pasting a client document into a free tool because they were told the tool was fine, not something dramatic.
What to do about it
- Name the product in your policy. Not "Copilot is approved". Say which one, and what a work sign-in looks like.
- Show people the difference. Two screenshots in a training session fixes more than a policy document does.
- Check the sign-in, not the logo. The only reliable tell is which account is in the corner.
- Give people the licensed one. Most consumer use is not defiance, it is somebody who was never issued a seat.
The general version
This is one instance of a bigger pattern. When a policy names a brand rather than a specific product and account, people comply with it exactly as written and still do the thing you were trying to prevent.
That is worth checking across every AI tool you have approved, not just this one.
What is the difference between Microsoft 365 Copilot and the free Copilot?
Microsoft 365 Copilot is the licensed product with enterprise data protection, used with a work account. The consumer Copilot is a separate free product with its own terms, commonly used with a personal Microsoft account.
Do enterprise data protections apply to the free Copilot?
No. Those commitments attach to the licensed Microsoft 365 product. The consumer version has different terms.
How do I tell which Copilot someone is using?
Check which account is signed in, not the logo or the name. A work account in the corner is the only reliable indicator.
How should an AI policy handle this?
Name the specific product and the required account rather than the brand. A policy that says Copilot is approved will be followed exactly as written by someone using the wrong one.