You only have one Google ID for all the Google products you’re using. Once you’re logged in, you will be brought to your Account Settings page.
Changing the Recovery email. Click on the Edit link beside the “Recovery email” to change it. The Recovery email is the one used when Google detects an unusual activity in your account or when your account gets locked. Enter your recovery email on the field provided and click on the “Done” button. Changing the Other emails. Click on the Edit link beside the “Other emails” to change them. The emails you indicate here are your alternate email addresses that can be used to log into Google and to recover your password. Add a new alternate email address on the field provided, and click on the “Save” button. You can add as many alternate email addresses as you need.
You can undo this by clicking on the Undo link beside it.
Click the gear in the top right. Select Settings. Select the Forwarding and POP/IMAP tab. Click Add a forwarding address in the “Forwarding” section. Enter the primary email address. You will receive a verification email for security purposes. Sign out of your new account and open your primary email. Find the confirmation message. Click on the verification link. Once you are back in your secondary account, refresh the page. Select the “Forward a copy of incoming mail to” option. (Be sure your new forwarding email is listed in the first drop-down menu!) In the second drop-down menu, choose what you want Gmail to do with your messages in that new account. Click Save Changes at the bottom of the page. You should be able to see messages from both accounts in the same place.
Click the gear icon in the top right. Select Settings. Select the Accounts tab. Under Send mail as, click Add another email address. In the ‘Email address’ field, enter your name and alternate email address. Choose one of two options: Use Gmail’s servers to send your mail Use your other email provider’s SMTP servers.
