You can import address books from Outlook, Hotmail, Yahoo!, orkut, and other services into your mail account. Importing your contacts isn't difficult, but it does take a few steps.
First, you'll need to format your contacts as a CSV file -- often, address books exported from other mail providers are already formatted as CSV files. You can also create your own.
Once you have a CSV file with all your contacts' information, you may need to format the file to make it compatible with your mail account. Then, you can import the file and transfer your contacts. Note that you can only import up to 3000 contacts at a time. If you have more than 3000 contacts, you'll need to create multiple CSV files to upload.
Learn the basics of importing contacts by viewing a brief demo (requires Macromedia® Flash), or select an option below.
Export a CSV file
Create or edit a CSV file
Import a CSV file
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http://www.google.com/support/a/entrelatinos.com/bin/answer.py?answer=8301&query=import+contacts&topic=&type=