Sign in to your Google Account
Open your Google Account settings
Go to Data and privacy
Scroll to Data from apps and services you use
Select Delete a Google service
Sign in again if prompted
Find Gmail and click the delete icon
Enter an email address for non-Gmail Google services
Verify the email address
Follow the on-screen steps to confirm
Click Delete Gmail
If you want to deactivate the entire Google Account, go to Data and privacy
Select More options
Choose Delete your Google Account
Follow the confirmation steps to permanently delete the account
