Migrate to Fastmail from Yahoo Mail

The following information makes it easy to move all your information into Fastmail, once you have chosen a plan.

  1. Set up your email address and/or domain
  2. Transfer your mailbox contents
  3. Transfer your calendars
  4. Transfer your contacts
  5. Making the most of Fastmail

1. Set up your email address and/or domain

If you don't own your own domain, you'll need to select an email address at one of the Fastmail domains.

If you have your own domain, follow our domain and email migration guide to learn how to transfer your domain, mail accounts, and aliases to Fastmail.

2. Transfer your existing mailbox contents

You can transfer your current mailbox into Fastmail using two methods: IMAP or POP.

Mail that is held on the server is accessed via IMAP and we recommend using this method. This allows you to make use of our backup services; and lets you access your mail from any of your devices or from any web browser.

Mail that has been downloaded to the desktop and lives within an application is accessed via POP. POP will only download mail from your Inbox; it won't download mail that is directed to other folders you have created.

Mail held on the server (IMAP)

You can import all your mail from your existing provider onto Fastmail. This is a one-time task to transfer all your mail, and may take some time to complete.

  1. Open the Import & Setup screen.
  2. Click the "Import mail from another service, such as Gmail or Yahoo" link.
  3. Enter the IMAP server address (imap.mail.yahoo.com), your Yahoo username and your Yahoo password, and 'Yes' to use SSL.
  4. The "Folders" settings lets you choose whether to:

    • Import the mail straight into your existing folders, or
    • Keep imported mail separately in a new set of folders (you can then manually move the messages into your existing folders later), or
    • Select particular folders to migrate (you choose which folders after you push the migrate button)
  5. Click the "Migrate" button.

Yahoo Migrate 1

Please be advised that imports can take some time, especially for accounts with large amounts of mail. You will receive a migration report in your inbox.

Yahoo Migrate 2

It's important to be patient while this is processing. Do not start another migration from your account whilst the first one is still running as it will result in your getting 2 copies of every message in your account. While mail migration is in effect our services receive no interruption, so you can continue to use your account as normal.

Occasionally the IMAP import fails to complete successfully. The email you receive at the end will inform you if this is the case. With Yahoo, the most common reason is Yahoo preventing the Fastmail import servers from accessing your Yahoo Mail account.

Once you have migrated your existing emails, we recommend you enable email forwarding at Yahoo to forward any new emails to Fastmail.

Mail stored on the desktop (POP)

If your old mail isn't stored on an IMAP server because you have already downloaded it to your desktop using POP, you can leave it where it is, or you can transfer it to Fastmail's IMAP servers for access through the web client.

To transfer mail in your desktop client to Fastmail's servers, log onto Fastmail from your desktop client and drag the folders containing your existing mail into the Fastmail account's folders. Depending on how much mail you have, this can take some time before the mail completes uploading to our servers.

3. Transfer your calendars

The instructions and screenshots are for importing your calendars from Yahoo Mail.

To export a calendar from Yahoo, click on the calendar tab then hover the cursor over the calendar you want to import and select the drop down arrow. Click on 'Export' and then save the file.

Yahoo Migrate 4

To import your calendars to Fastmail:

  1. Open the Import & Setup screen.
  2. Click the "Choose Calendar File" link.
  3. Select the ICS file and upload it.

Need more information? Check out our calendar migration guide.

4. Transfer your contacts

Please follow the instructions and screenshots provided to import contacts from Yahoo.

To export contacts from Yahoo, click on the contacts tab. Select the drop down arrow next to 'Actions' and click on 'Export'.

Yahoo Migrate 5

You will then be prompted to select a file format for your exported contacts. The compatible formats to import to Fastmail are 'Yahoo CSV' and 'vCard Single File'.

Yahoo Migrate 6

To import your contacts to Fastmail:

  1. Open the Import & Setup screen.
  2. Click the "Upload Address Book File" link.
  3. Select the file and upload it.

5. Making the most of Fastmail

Here are a few more things to do to help you get the most from Fastmail.

Secure your account (2FA)

Configure your mobile devices

Configure your mobile devices to use Fastmail on the go.

Announce new email address

If you have changed your email address (not applicable if you use your own domain), then be sure to notify everyone in your contact list of your new address.

Forward mail from old account

Set up forwarding/importing and leave them in place for some time (not applicable if you use your own domain).

Update old subscriptions

6. Migration complete

You're done. Welcome to email, calendars and contacts done right.