How to delete all emails from Gmail?

https://howtodelete.org/how-to-delete-all-emails-from-gmail/ Delete all emails. Deleting all your emails in Gmail is simple: open Gmail, select the inbox tab you want to clear out (Primary, Promotions, etc.) and click the small empty box in the top left corner, just above the Compose button. This will select everything on the current page of your inbox.