ChangeChecklist

Every step below is from an official source

Switch from Yahoo Mail to iCloud Mail

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

Official sources reviewed . How we review sources

Read the email address guide

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 iCloud Mail, when you join

  1. Import contacts from a vCardDuring

    At icloud.com/contacts, select the Add button, choose Import Contact, then select a vCard. Imported contacts are added to the All Contacts list.

    Import, export, or print contacts on iCloud.comApple. Reviewed

  2. Import old mail to a custom domain addressDuring

    If you use your own domain with iCloud Mail, you can import existing emails from your previous provider on iCloud.com. This isn't available for all providers, and you need enough iCloud storage.

    Import existing emails to your custom iCloud Mail address on iCloud.comApple. Reviewed

  3. Move other emails by hand with MailDuring

    You can also move emails into iCloud Mail yourself using the Mail app on iPhone, iPad or Mac.

    Import existing emails to your custom iCloud Mail address on iCloud.comApple. Reviewed

Then: everything else the switch affects

The steps above are what Yahoo Mail and iCloud Mail 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.