Migrate Exclaimer Outlook Add-in from Manifest to App Store

Step 2: Deploy Exclaimer Outlook Add-in from the App Store

10. Log on to the Microsoft 365 Portal as a Global Administrator.
    
    
11. Open the admin center.
    
    
12. Under Settings, select Integrated apps:
    
    
    
    
13. Click Get apps to open the App Store:
    
    
    
    The Microsoft 365 App store window is displayed.
    
    
14. In the search box, type Exclaimer for Outlook.
    
    
15. Once the app loads, click Get it now:
    
    
    Now, the deployment process of the Exclaimer for Outlook app starts:
    
    
    
    
16. As required, select which assigned users you wish should have access to Exclaimer:
    
    - Just me: Select to assign only yourself, in your organization, access to Exclaimer.
    
    - Entire organization: Select to assign everyone in your organization access to Exclaimer.
    
    - Specific users/groups: Select to assign specific users or groups within your organization access to Exclaimer. Enter a specific user or group name; this is a predictive text field, so any matching users or groups will be displayed as you start to type.
    In this case, we have selected the Entire organization option:
    
    
    
    
17. Click Next to proceed.
    Now, you need to accept the permission for the new app.
    
    
18. Click Accept permissions:
    
    
    
    
19. You are prompted to sign in to Microsoft 365 as a Global Administrator (be sure that you are entering the credentials for the correct Microsoft 365 tenant):
    
    
    
    Once signed in, you are prompted to accept a permissions request for Exclaimer - Signatures for Outlook.
    
    
20. Click Accept:
    
    
    
    
21. Once the permissions are accepted, click Next to proceed:
    
    
    
    Now, review your selected settings for the deployment.
    
    
22. Once you have reviewed and are happy with the options selected, click Finish deployment to complete the deployment process.
    
    The Deployment in process... is displayed:
    
    
    
    Once the deployment is complete, you will see a screen similar to this:
    
    
    
    
23. Click Done to proceed.
    
    
24. The Integrated apps screen is displayed listing the Exclaimer for Outlook app:
    
    
    
    
25. Click the Exclaimer for Outlook app - a description pane is displayed on the right-hand side listing all the options selected:
    
    
    
    - Click Edit users if you wish to edit the assigned users.
    
    - Click Remove app to remove the Exclaimer for Outlook app.