This article provides instructions on how to troubleshoot your Gmail access when you're locked out.

You may find yourself locked out of your Gmail account for some unusual reason. Google’s account recovery process can help you get back in. However, it’s easier if you only lose one key piece of your login information, such as your username or password, rather than both.

The Google Support Troubleshooter lists nine unique reasons that could cause Gmail to lock you out of your account. Here are the four most common reasons you might encounter.

Google can also proactively lock you out if it suspects unusual activity on your Gmail account.