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#application-access-policy

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Exchange Online Application Access Policies: Constraining Graph Application Permissions to Specific Mailboxes

Application permissions grant tenant-wide access by default. Exchange Online Application Access Policies let you scope Graph Mail.Read to a mail-enabled security group, enforcing least privilege for daemon services.

application-access-policy exchange-online

microsoft-365Tasadduq Burneyowner31.8K rep · 22 Nov 2025, 04:30 UTC