You can choose to receive email notifications when someone updates an event on a calendar that's shared with you.
Receive calendar updates
- In new Outlook, Outlook on the web, or Outlook.com, select View > View settings > Calendar > Shared calendars.
- Under Shared calendars, if you have more than one account, select the account you want to receive notifications for.
- Under Calendar updates, select the shared calendars you want to receive email notifications for.