Do you want to copy all of your email from an old Gmail account to a new Gmail account?
The standard import process for email and contacts can not be used for Gmail to Gmail account migrations:
"Mail and contacts cannot be imported from a gmail.com account."
Instead, you must configure the original Gmail account to get checked as a POP3 account in the new Gmail settings.
First, click the Gear and then select Settings:
Next, click the tab for Accounts and Import:
Then scroll down and click the link for Add a POP3 mail account you own:
Type in your old Gmail address and then click Next Step:
Last, type in your complete email address and password, check the box to leave a copy of messages in the old account, and optionally (but recommended!) check the box and create a label to tag email received by the old account:
The standard import process for email and contacts can not be used for Gmail to Gmail account migrations:
"Mail and contacts cannot be imported from a gmail.com account."
Instead, you must configure the original Gmail account to get checked as a POP3 account in the new Gmail settings.
First, click the Gear and then select Settings:
Next, click the tab for Accounts and Import:
Then scroll down and click the link for Add a POP3 mail account you own:
Type in your old Gmail address and then click Next Step:
Last, type in your complete email address and password, check the box to leave a copy of messages in the old account, and optionally (but recommended!) check the box and create a label to tag email received by the old account: