How to Sync iPhone With Yahoo and Google Contacts

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Syncing iPhone With Yahoo and Google Contacts

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The more contact information you have on your iPhone, the more useful it is. Whether you use your iPhone for business or just for staying in touch with friends and family, having the names, addresses, phone numbers, and email addresses of all the people you need to be in touch within one place is extremely helpful.

But what if your contacts are stored in different locations? It's common that some of our contacts will be stored in our computer's address book, while others are in an online account from Google or Yahoo. How do you easily sync all your contacts to your iPhone?

Luckily, Apple has built features into the iOS that makes it really easy to automatically sync contacts between the iPhone, Google Contacts, and Yahoo Address Book. Follow the steps in this article to set up that syncing and let it happen automatically in the future.

It's important to know that this process used to be accomplished via iTunes. That's no longer the case. Thanks to the advent of iCloud and other web-based syncing technologies, the settings you need to change to sync your address books all exist on your iPhone.

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Sync Google Contacts to iPhone

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In order to sync Google Contacts to your iPhone, you first need to make sure your Gmail account is set up on your iPhone.

After you've done that, or if you already had it set up, follow these steps:

  1. Tap the Settings app
  2. Scroll down to Mail, Contacts, Calendars
  3. Tap Gmail
  4. Move the Contacts slider to On/green
  5. You may see a message that reads Turning on Contacts (once that disappears, syncing is set up)

Now, any addresses you add to Google Contacts will sync to your iPhone. Even better, changes you make to those contacts on your iPhone will automatically sync up to your Google Contacts account, too. Syncing of changes doesn't happen instantly, but changes should show up in both locations in a minute or two.

If you move this slider to Off/white, your Google Contacts will be removed from your iPhone, but any changes to contact details that were made and synced to your Google account will be saved there.

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Sync Yahoo Address Book to iPhone

sync yahoo address book to iphone screenshot


Syncing your Yahoo Address Book to your iPhone requires first setting up your Yahoo email account on your iPhone. If you haven't done that yet, do so. Once you've done that, follow these steps to set up syncing:

  1. Tap the Settings app
  2. Scroll down to Mail, Contacts, Calendars
  3. Tap Yahoo
  4. Move the Contacts slider to On/green
  5. You may be asked to enter the password for your Yahoo account. If so, enter it
  6. You may see a message that reads Turning on Contacts (once that disappears, syncing is set up)

With that done, syncing between the two accounts is set up. Any addresses you add to your Yahoo Address Book, or changes you make to existing contacts will automatically be added to your iPhone. Changes aren't synced instantly, but you should see changes show up in either location in a few minutes.

To turn off syncing, move the Contacts slider to Off/white. This deletes your Yahoo Address Book contacts from your iPhone, but any changes you made while they were synced are still saved in your Yahoo account.

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Resolve Address Book Sync Conflicts

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In some circumstances, there will be sync conflicts or duplicate address book entries. These arise when there are two versions of the same contact entry and Google Contacts and Yahoo Address Book isn't sure which is right. 

Resolve Duplicate Contacts in Google Contacts

  1. Go to Google Contacts
  2. If necessary, log in to your Google account
  3. Click the Find Duplicates menu
  4. Review each duplicate and click either Dismiss to skip it or Merge to combine the contacts
  5. Repeat this process for all the duplicates until none are left

Resolve Duplicate Contacts in Yahoo Address Book

  1. Go to your Yahoo Address Book
  2. If necessary, log in with your Yahoo account (if there are duplicate entries, Yahoo Address Book will display a message about that)
  3. Click the Fix Duplicate Contacts button
  4. On the next screen, Yahoo Address Book displays all the duplicate contacts in your address book. It also lists where the duplicates are exact (have all the same information) or are similar (they are the same name, but don't have all the same data in them)
  5. You can choose to Merge All EXACT matches by clicking the button at the bottom of the screen (or, you can review each duplicate by clicking on it and deciding what you want to merge)
  6. Repeat this process for all the duplicates until none are left