You need to use the BlackBerry Desktop Manager. Click synchronize and and go to configuration. There you can set your Yahoo account. Once everything is setup click synchronize.
Yahoo! Go 2.0 had the ability to sync the BlackBerry address book with the Yahoo! contacts. I can not find this feature in Go 3.0. Too bad, it is a fantastic feature.
You can import your contacts from Gmail, Yahoo, Hotmail and AOL.
By installing Yahoo messenger and allow it to import your contacts (they will have to approve you again tho)
copy them to the simand then to the other phone it cane be done after "marking" all of your contacts and then selecting copy to sim and on the blackberry you just import them from the sim card
Ok, this is how I did it with my Blackberry Pearl, or Bold and any iPhone, on Windows XP, Vista, 7, or 8. Preliminary steps: Have Blackberry Desktop Manager installed. Also, connect your Blackberry and iPhone to your computer (you don't need to connect both at the same time... but I did any way) . Make sure you read about the whole process of transferring BlackBerry contacts to iPhone here: http://www.copytrans.net/support/transfer-blackberry-contacts-to-iphone/ 1) Load up Blackberry Desktop Manager 2) Go to "Organizer" and check "Contacts -> Windows Contacts". Make sure all other boxes are unchecked 3) Under "Sync direction" choose "One way to your computer only" and click OK 4) To start the transfer of BlackBerry contacts, click on "Sync Organizer" 5) Your BlackBerry contacts are now backed up in the form of Windows Contacts on your PC 6) Now it's time to transfer the contacts to the iPhone. Download CopyTrans Contacts - a tiny computer application which allows import of contacts from PC to iPhone 7) Run CopyTrans Contacts and connect the iPhone 8) Click on "Import contacts" 9) Browse to the folder where the BlackBerry contacts are saved, select them and click on "Open" 10) That's it! All BlackBerry contacts are now on the iPhone.
You can download Yahoo for Blackberry from the website of Yahoo. On the website you can find and download it from Messenger - Blackberry or Mail - Blackberry.
Watch the Video Demo : http://www.youtube.com/watch?v=L3K0kaod9TUiPhone Contacts Backup is a useful tool to export contacts from iPhone as CSV and vCard files for importing to other applications like: Yahoo Mail, Gmail, etc.This video tutorial will show you how to import iPhone Contacts to Yahoo Address Book in details. Watch it to get the easiest solution.
The main questions prospective users have about Yahoo mail include - does the service support POP? How much storage do I get? Can I import my cellphone contacts?
1) Make a yahoo email if you don't already have one. 2) Go to Contacts and click Import Now under "Import your Contacts from other accounts to Yahoo!" 3) Import your contacts from Facebook. 4) Go to MySpace, and under the Friends tab click "Find Friends." 5) In the "Find People You Email" box, click the Yahoo mail picture. 6) You will be redirected to another page, once at that page click "Click here to begin." 7) Log into your Yahoo mail account and grant MySpace access to your contacts. 6) MySpace will tell you which of your contacts already have MySpace, and click Add Friends; after clicking Add Friends it will add all of your Facebook friends that have MySpace, and MySpace will also ask you to invite friends (this is optional, you can click "Skip this step" if you want). - Drakeds
what program are you using for your contacts.if your using outlook upload the blackberry desktop software and sync your phone. you can export your contacts from your system by using blue tooth devices or data cord.
From your blackberry ,copy all your contacts to your sim card. Then remove the sim from your bnlackberry and put it inside the iphone. On your iphone do the import sim contacts. To give you the step by step provess on how to do the sim importing go to the link http://nice-to-know-about-iphone.blogspot.com and search for the topic "how to import sim contacts" hope it will help
how we import contacts by files