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Issue with ListEmails in Copilot Studio Email Management MCP Server

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Posted on by CU31101039-0

I am creating an agent in Copilot Studio and testing various scenarios using the “Email Management MCP Server” tool.
Most features are working correctly, but I am not able to get the expected results from ListEmails.

Even when I specify the FROM address through the conversation, the response says that 0 emails are found.
What could be the possible reasons for this issue?

For reference, the sender shown in the screenshot has sent fewer than 10 emails in total, so the volume is quite small.

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I also tried using the “Get emails (V3)” connector instead of the MCP tool, but it still returns 0 results.
Could this be related to an account or permission issue?

Other Outlook connectors seem to be working correctly.
For example, when I use “Get email (V2)” with the “When a new email arrives” trigger and store the Message ID in a variable, it works as expected.

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Model context protocol

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chiaraalina 2,425 Super User 2026 Season 1 on at

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Hi

Is the Outlook / Email MCP connection signed in as the same mailbox that received the emails?

Are the emails located in the top level Inbox and not a subfolder?

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CU31101039-0 7 on at

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@chiaraalina Thanks for the questions. To clarify:

Outlook and the Email MCP connection are signed in to the same mailbox.

The emails are in the top-level Inbox, not a subfolder.

I later found the cause: the emails I was trying to retrieve were all marked as read.
When I changed them to unread, the agent was able to find them.

Is there a way to configure the settings (from the Tools tab or elsewhere) to also retrieve already read emails?

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chiaraalina 2,425 Super User 2026 Season 1 on at

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Hi @CU31101039-0

No.
It seems with the Microsoft Email Management MCP Server, there is no setting in the Tools tab or anywhere else to make ListEmails return already read emails.

It is hardcoded to only return unread messages, and I cannot see a switch, filter, or toggle to change that.

If you need read + unread emails, you must use a Power Automate flow, create your own Custom Tool (then use Graph API) or create/use another MCP server.

Hope it helps!

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