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Microsoft Agent 365: what it is, who needs it and what it costs

Agent 365 is easy to misunderstand because its name sounds like another Agent-building product. It is actually Microsoft's control plane for observing, governing and securing Agents across an organisation.

Last reviewed 2026-10-06

Do not confuse these three products

ProductWhat it isTypical user
Agent Builder / Microsoft 365 AgentsA lightweight way to make personal or team helpers inside the Microsoft 365 Copilot experienceOrdinary users and makers
Copilot StudioA fuller design environment for organisational Agents with actions, connectors, channels and lifecycle controlsMakers, developers and IT-supported teams
Agent 365Governance, inventory, identity, security, compliance and observability for an Agent estateIT, security, governance, Agent sponsors and organisations operating multiple Agents

It is licensed per user, not per Agent

Microsoft's current licensing FAQ says Agent 365 is licensed per user, whether bought standalone or through E7. Agents themselves do not need their own Agent 365 licence. Licensing is tied to the people associated with Agent activity — for example users, owners, sponsors or managers — rather than charging a separate Agent 365 licence for every Agent object.

When Agent 365 starts to become relevant

SituationWhat changes
One person has a simple personal helperAgent 365 is unlikely to be the first commercial priority.
Several teams are sharing AgentsInventory, ownership and usage insight start to matter.
Agents access sensitive organisational dataSecurity posture, identity and compliance controls become more important.
Agents take actions or connect to external systemsThe organisation needs stronger observability and governance.
Agents have their own persistent Microsoft 365 identityYou need to govern the Agent as a first-class identity: sponsor, permissions, authentication activity, mailbox/Teams/Office access and retirement.
People leave or projects endYou need a reliable way to find Agents, identify sponsors/owners and manage both Agent and identity lifecycle.
The organisation is already considering E7Agent 365 is included, so compare the whole E7 bundle rather than pricing Agent 365 separately.

Why this matters to an awarding organisation

An AO can move from a handful of harmless personal helpers to dozens of shared Agents surprisingly quickly. Once Agents use qualification guidance, centre information, internal policies, connectors, actions or their own persistent Microsoft 365 identities, the organisation needs to answer: What Agents exist? Who owns and sponsors them? Which Entra Agent ID or working account belongs to each Agent? What can that identity access? Who uses the Agent? Which are inactive? Which Agent identities and accounts should be retired? Agent 365 is Microsoft's control-plane answer to that estate-governance problem.

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