If you want to forward the emails from Gmail account to another. You have to go to the imap and forwarding settings on the Gmail. here you need to enable the forwarding.
open the Gmail account.
Click on the settings.
now click on the imap and forwarding settings.
Enable the forwarding.
Now enter the forwarding email address and then click on the verify button.
Now verify the email account and then click on the ok button.
After making these changes into the Account, your gmail will start receiving the emails. In case, if you are still dealing with the Gmail account. you need to visit askprob blogs for more help.