Google now allows Gmail users to change username: What to know before changing Gmail username, what happens to old username and other key things not to miss
Google finally allows users to change the username of their Gmail account. Sharing a blog post, the company said: “Your digital identity just got an upgrade. You can now change your Google Account username (i.e., the part before @gmail.com), which you use to sign in to apps and services like Gmail, Photos, Drive and more….