Office Add-in - Enterprise Application Installation Guide

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Microsoft has announced that they will be turning off legacy tokens starting in February 2025. This change requires a change to the authentication method used by all Office Add-in’s, with the new method requiring the use of Nested App Authentication. For more information, please refer to Microsoft’s Announcement.

REQUIREMENT:

The Person performing these steps must have an administrator role assignment of Application Administator, Cloud Application Administator, or Global Administator in the destination M365 tenant.

Install Office Add-in Enterprise Application

  1. Login to the Entra Identity Portal as an Administrative user (For Commercial Customers: https://entra.microsoft.com | For Government Customers: https://entra.microsoft.us).

  2. Under the ‘Entra ID‘ dropdown in the left Navigation pane, on the ‘Overview’ page, find and copy the Tenant ID.

  1. Open a new browser Tab/Window in the same session, enter the following URL while replacing the ‘{tenant_id}‘ section with your Organization’s Tenant ID.

Azure Commercial Customer URL
https://login.microsoftonline.com/{tenant_id}/adminconsent?client_id=9b24fce4-90fb-4bee-a1bb-8b01fae0fab1&redirect_uri=https://outlook-add-ins.eshare.com/

Azure Government Customer URL
https://login.microsoftonline.us/{tenant_id}/adminconsent?client_id=06e4a55e-c5e6-4958-95d0-ebda95f37828&redirect_uri=https://outlook-add-ins.eshare.com/

  1. When prompted, sign in to the M365 admin account, an App called ‘eShare Production Office Add-in‘ (commercial cloud) or ‘eShareGov Production Office Add-in‘ (government cloud).

  2. Review the requested permissions and select ‘Accept‘ to add the application.

  1. After the app has been approved, the page will be redirected to a screen indicating the eShare Office Add-in enterprise application has been successfully Installed.

  1. To ensure the application was successfully installed, go back to ‘Microsoft Entra ID‘ > ‘Enterprise Applications‘, then perform a search for ‘eShare Production Office Add-in‘ or ‘eShareGov Production Office Add-in‘ and verify the application exists.

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