Merge branch 'public' into patch-1

Author: chrisda

microsoft-365/security/office-365-security/submissions-users-report-message-add-in-configure.md

@@ -189,11 +189,11 @@ Admins in Microsoft 365 Government Community Cloud (GCC) or GCC High need to use
 >
 > In U.S. Government organizations (Microsoft 365 GCC, GCC High, and DoD), reported messages are not sent to Microsoft for analysis. They are sent only to the reporting mailbox that you identify. For more information, see [User reported settings](submissions-user-reported-messages-custom-mailbox.md).
 
-1. In the Microsoft 365 admin center at <https://portal.office365.us/adminportal> open the Exchange admin center (EAC) by selecting **Exchange** in the **Admin centers** section.
+1. In the Microsoft 365 admin center at <https://portal.office365.us/adminportal/home#/Settings/AddIns> open settings by selecting **Settings**.
 
-2. In the EAC, select **Organization** \> **Add-ins**.
+2. On the settings page, select the **Add-ins** option. Then select **Deploy Add-in** followed by **upload custom apps**
 
-3. On the **Add-ins page**, click ![New icon.](../../media/ITPro-EAC-AddIcon.png) **New**, and then select **Add from URL**.
+3. On the upload custom apps sidepanel, select **I have a URL for the manifest file**.
 
 4. In the **Add from URL** dialog that opens, enter one of the following URLs:
    - **Report Message**: <https://ipagave.azurewebsites.net/ReportMessageManifest/ReportMessageAzure.xml>