A buyer side guide to Microsoft 365 Copilot monthly active users in 2026. Why billing is per seat, where the seat to active user gap hides waste, and how to use it at renewal.
Microsoft 365 Copilot is billed per assigned seat, not by monthly active users, so the gap between seats you pay for and people who actually use Copilot each month is the clearest signal of wasted spend and the basis for right sizing at renewal.
This guide is for Microsoft license owners and procurement leaders managing a Copilot deployment in 2026. Read it with the Microsoft 365 Copilot pillar and the Microsoft Practice page so adoption and the negotiation stay aligned.
No. Microsoft 365 Copilot is licensed per assigned seat on subscription. You pay for the seat once it is assigned, whether or not that person uses Copilot in a given month.
The metric is the assigned user seat. Monthly active users are an adoption measure layered on top, useful for management but separate from how Microsoft invoices you.
Copilot requires a qualifying Microsoft 365 base license per user. Microsoft sets the prerequisites on its Microsoft 365 Copilot page, so the true cost per active user includes that base plan.
Because every assigned seat with no monthly activity is spend without return. The gap is the single clearest measure of Copilot waste in a deployment.
The Microsoft 365 admin center reports Copilot usage and adoption by app and over rolling periods. It shows active users in Teams, Outlook, Word, and the other surfaces.
Assigned seats versus monthly active users
| Measure | What it tells you | Action |
|---|---|---|
| Assigned seats | What you are billed for | Set the renewal baseline |
| Monthly active users | Who actually uses Copilot | Track the trend by quarter |
| Inactive seats | Wasted spend | Reclaim or reassign |
There is no official benchmark. A rising active rate over a quarter matters more than any single month. Early inactivity is common, so judge the trend before you judge the deployment.
A Microsoft Copilot monthly active user is a licensed person who actually used a Copilot feature within a calendar month. It is an adoption measure, not a licensing metric, since Copilot is licensed per assigned seat regardless of use.
No. Microsoft 365 Copilot is licensed per assigned user seat on an annual or monthly subscription, not by monthly active users. You pay for the seat whether or not the person uses it that month.
Because the gap between assigned seats and active users is wasted spend. Tracking monthly active users shows how many paid Copilot seats are actually delivering value, which is the basis for right sizing at renewal.
Copilot usage is reported in the Microsoft 365 admin center and the Copilot usage and adoption dashboards. They show active users by app, such as Teams, Outlook, and Word, over rolling periods.
There is no official benchmark, but many deployments see a meaningful share of assigned seats inactive in the first months. A rising active rate over a quarter is a better signal than any single month figure.
Compare assigned seats against sustained monthly active users, reclaim or reassign inactive seats, and size the renewal to proven adoption. Documented low usage is a direct lever to reduce committed seat counts.
Microsoft renewal moves, the EA framework, the M365 SKU framework, the Copilot framework, and the buyer side moves across the full Microsoft estate.
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Copilot bills per seat, not per use. Every assigned seat with no monthly activity is spend without return, and a direct lever at renewal.
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