How does Win10 prohibit Cortana from detecting email messages

Win10 voice assistant Cortana has become a highlight of the Win10 system. It has many functions, including the ability to detect tracking information in emails for message reminders such as flights. However, there are also users who are concerned about privacy leaks. How do you prevent Cortana from detecting email messages?
Operation steps
1. Click the taskbar search box.
2. Click the menu button in the upper left corner and select Settings.

3. Cancel the function.

The above is the way Win10 prohibits Cortana from detecting email messages. If you need to disable this function, you can solve it according to the method described in this article.