Any idea why "As items arrive" isn't available? Mine shows "based on usage," manually, and a few time options.

In the tutorial, it displays a picture of going to "Settings", "Privacy", "Background Apps", and setting "Mail" to run in the background. For some reason, I don't appear to have the option for mail.

Just started using the Windows 10 mail app. Unfortunately, not receiving notifications. I checked the option to have notifications come up in the Action Center, as well as Notification banners and to...