The Two step verification process is a feature of Gmail that allows you to add an extra layer of security to your Google email account.

In contrast, "Manual Entry" just means that google will send you a 16-digit code to an e-mail address. You then enter the code to complete the verification process: Original image has been replaced.

There's one important detail you have to know should you want to use your Google Voice number with a two-step authentication service.

If you forget your account password or can't receive the verification codes, you may lose it forever. To avoid such situations, we compiled a list of solutions to help you recover your Google account.

Does Google's 2-step verification process drive you a bit nuts? Wish that it was easier to use? Google will now prompt you when you need to verify your identity. Here's how to turn it on.

Enter the six-digit verification code Google just texted you here. Click the blue "Verify" button when you're finished. Screenshot ...