Copilot Chat has usage caps, and Microsoft would rather you found them by hitting them

Microsoft is implementing usage caps for certain Copilot Chat functions for commercial users without a Microsoft 365 Copilot license, without publicly disclosing the numerical limits. Those without the Copilot add-on can analyze web data and uploaded files, but a paid license provides broader access to work data such as emails, meetings, chats, and documents.

Should a limit be reached, users will encounter an in-product notification detailing when to retry the feature. Administrators cannot modify these limits; they are set by Microsoft. The company claims the absence of specific limits is due to their potential for change. Microsoft hints that hitting a limit could signal interest in extra Copilot features, suggesting administrators consider additional licenses as a solution.

Users might also be offered an upgrade route, depending on their organization's self-service purchase policies. Upon reaching a limit, administrators can turn off direct purchases for specific products in the Microsoft 365 admin center. The rollout started on November 2 for organizations with 2,000 or fewer Microsoft 365 seats and will begin on November 9 for larger organizations, affecting users in web, desktop, and mobile apps within commercial tenants.

This move might serve as Microsoft's latest strategy to convert existing free access to paid add-on sales; users hitting an undisclosed ceiling could increasingly request upgrades from administrators. Alternatively, administrators might opt for tighter controls over feature availability, which may not align with Microsoft's intended sales objectives.