How can I import my addresses from Microsoft Outlook into my Yahoo address book?

Answer 1

In Outlook, open your Contacts and from the File menu select Export (choose .csv file from the list). Save the file to a place you'll remember - your Desktop, for example.

In Yahoo Addresses, choose Import and select the .csv file you saved. You may be asked to match up fields but usually it works fine.

Answer 2

you export them in outlook as .csv file and then use the import option in yahoo address book section.