ChangeChecklist

Every step below is from an official source

Switch from Yahoo Mail to Gmail

What to do at Yahoo Mail before you leave, what Gmail needs when you join, and everything else the switch touches. Your full plan is built in your browser and stays there.

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At Yahoo Mail, before you leave

  1. Download your Yahoo mail with an IMAP appBefore

    Use Yahoo's IMAP settings to download your mail into an app like Thunderbird, Outlook or Mac Mail. Large accounts can take several days or longer.

    Download your email from Yahoo Mail with IMAPYahoo. Reviewed
  2. Choose to keep mail on the serverDuring

    If your email app asks whether to keep mail on the server, select yes. Otherwise your email is deleted from your Yahoo account as it downloads.

    Download your email from Yahoo Mail with IMAPYahoo. Reviewed
  3. Download what you need before closingAfter

    Closing your Yahoo account removes access to your Yahoo Mail messages and folders, so download anything you want first. In most countries you can reactivate by signing in within 30 days.

    Close or reactivate your Yahoo accountYahoo. Reviewed

At Gmail, when you join

  1. Import mail and contacts in Gmail settingsDuring

    On a computer, open Gmail settings, go to the Accounts and import tab and click Import mail and contacts. Follow the steps on screen, then start the import.

    Add another email account on your computer - Gmail HelpGoogle. Reviewed
  2. Check what the import brings overBefore

    Gmail imports messages but not folders or labels. Your other email account needs POP access.

    Add another email account on your computer - Gmail HelpGoogle. Reviewed
  3. Expect 30 days of forwarding after importAfter

    After you import, Gmail forwards messages sent to your other account for 30 days.

    Add another email account on your computer - Gmail HelpGoogle. Reviewed
  4. Plan for the end of POP mail fetchingBefore

    Gmail is ending POP fetching from other accounts. Existing users can use it until January 2027. Importing mail and contacts on the web still works, but it is a one-time import that does not keep syncing.

    Learn about upcoming changes to Gmailify & POP in Gmail - Gmail HelpGoogle. Reviewed

Then: everything else the switch affects

The steps above are what Yahoo Mail and Gmail say. Your full checklist adds the accounts, codes, payments and devices that depend on your email provider, in a safe order. It's built from your answers, in your browser.