Click your profile avatar at left side bar and select Profile & Preferences.
On your profile settings page, you can manage your notification preference. Do this by selecting your preferences using the check boxes.
You can check/uncheck preferences anytime.
If you do not wish to receive email notifications, uncheck all the boxes and no updates will be sent to you.
Please note that Administrators, Editors, Contributors, and View Only have the ability to manage Profile Preferences in Playbooks. To learn more, please see our Roles and Permissions page!