Download your data after canceling your Gmail service. Go to your Google Account and select Data & privacy from the left-hand menu. Scroll down to “Data generated by applications and services you use.” Under “Delete a Google service,” click Delete a Google service… Click Delete next to “Gmail.
After that, go to the Settings menu. Go to the Settings menu and choose it. Select your choice from the drop-down menu. Select Remove Account from the drop-down button. Make your selection by clicking on Yes, remove. It’s done.
Open the Gmail app on your phone. Select “Manage Accounts” from the drop-down menu, then “Edit.” nap “Delete” next to the account you wish to remove and confirm your selection. Select “Done” in the top left corner.
Locate the user profile for which you want to remove a Gmail account. Select it, and then click the options seal from the top-right corner of the user profile. Remove the Gmail account from Chrome now by clicking “Remove This Person?
The only way to reverse this is to remove the new Gmail account from the existing Google account, making the non-Gmail address primary once again. You will not be able to utilize the erased Gmail account name again.