See all settings. Click the Accounts and import tab. In the "Check mail from other accounts" section, click Add a mail account. Type the email address of the other account, then click Next. Make a selection and click Next.

On the account recovery page, enter the email address or phone number associated with your Google accounts and click "Next." If you enter a valid email address or phone number, you will be prompted to enter the last password you remember for that account.

You can add both Gmail and non-Gmail accounts to the Gmail app for Android. On your Android phone or tablet, open the Gmail app . In the top right, tap your profile picture. Tap Add another account.