You can change how your calendar meeting requests, responses, and notifications are handled.
If you are using Outlook to access your email please scroll below to the version you are using for instructions.
1. Click on File.

2. Click on Options.

3. Scroll to section: “Automatic Accept or Decline” and click on the “Auto Accept/Decline” button.

4. Check the boxes to enable or disable the Outlook client from automatically accepting the meetings invites.

5. Click OK.