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Deploy the Jericho Outlook Report Add-in

Jericho provides an Outlook add-in manifest that Microsoft 365 administrators can deploy to users. After deployment, employees can report suspicious emails from Outlook, and Jericho can validate whether the reported message is a simulation or a real suspicious email.

Sign in to Jericho Security and open Integrations.

Find Outlook Add-in Custom Button and click Download custom XML manifest.

The downloaded XML manifest is organization-specific. Use the manifest from the same Jericho tenant that should receive the employee reports.

In the Microsoft 365 admin center, go to Settings → Integrated apps.

Choose Upload custom apps, select Office Add-in, and upload the XML manifest downloaded from Jericho.

Assign the add-in to the users or groups who should see the Jericho report button in Outlook.

Review the deployment settings and finish the app deployment. Microsoft documents that add-ins can take 24–72 hours to appear in Office applications. Begin with a small pilot group and verify supported Outlook clients before expanding deployment.

After propagation, confirm that an assigned user can see the Jericho report action in Outlook and can report a test message.