If you need to import the CSV contacts from Yahoo Mail to your iPhone, iPhone Contacts Backup will help you a lot. This iPhone Contacts Backup is designed to transfer CSV and vCard files between iPhone and other applications. Watch this video in a few minutes to get more details for importing Yahoo Address Book to iPhone.
Watch Video Demo:
It enables you to transfer both CSV and vCard contacts from Yahoo Address Book to your iPhone. What's more, you can also import your iPhone contacts to Yahoo with it.
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iPhone Contacts Backup
* Import/Export contacts information from/to most popular address books
* Backup/Restore/Manage all your iPhone contacts via Mac
* Transfer iPhone contacts between iPhone and iPhone/Nokia/Blackberry/Android phone/Windows Phone
* Backup SMS, iMessage from iPhone/iPod touch/iPad and save them to your Mac
* Export iOS device Messages and save it as Text/HTML file
* Support iPhone 5, iOS 6, and iTunes 10.7 now
Related Tutorial:
Restore Deleted Contacts and SMS for iPhone 4/4S/5 on Mac
Transfer Android Phone Contacts/Photos/Music into iPhone 5