In Dynamics 365, you can easily add which users have the App for Outlook. To do this, go to Settings->Dynamics 365 App for Outlook:
You will see this page:
Click on Edit settings to set the ability to automatically add the app to Outlook:
Note to use the app, users will need to have:
- Use Dynamics 365 App for Outlook privilege in their assigned security role
- Server-side synchronization set up for incoming emails or for Appointments, Contacts and Tasks
Note that adding the app can take up to 15 minutes.