Overview
By default, your Google calendar is set to automatically add invitations to your calendar whether you respond and accept/reject the invitation.
Changing your event settings
To change this setting, once logged into your Google account:
- Click the Google apps menu in the upper right corner and select Calendar.

- Click the gear in the upper-right and click Settings.

- Under General in the upper-left corner, click Events Settings.

- Under Event settings, click Automatically add invitations

- Pick the option from the menu that best reflects the behavior that you want.
