In order to sync your calendar to Gmail calendar the procedure are sated below -Open the Google Calendar app. > Click on Menu.In the top left corner > Open Settings >Tap the name of the calendar that isn't showing up. >At the top of the page, make sure Sync is on (blue). that's it. you are done with change then save it. for more such email tips you can visit https://www.emailcustomercareservice.com/att-email-support/ (https://www.emailcustomercareservice....)