How to import yahoo mail contacts list into gmail account:
Step 1a: Login into yahoo account (http://mail.yahoo.com) using your Yahoo ID and Password.
Step 1b: Under the “contacts” tabs click on Actions button. From Actions option, click “Export all”
Step 1c: Click on “Export Now” next vCard Single file option. Yahoo mail will display some code to type in, After type in the code, press the “Export Now” button.
Step 1d: Within few second, file save windows will display. Then, save the file in desktop or other location
Step 2a: Login into gmail account (http://mail.goole.com) using your Google ID and Password.
Step 2b: Under the “Mails” tabs click on “Contacts: option. All your google contacts will display.
Step 2c: Under the “More” tabs click on “Import” option.
Step 2d: Click on “Choose file” button and selected .vcf file which was save previous step.
Step 2e: Finally, click on the “import” button. Within few second all contacts list will display into your google account