To export contacts from your Yahoo! Mail account please follow the steps outlined below for the version of Yahoo! Mail that you are using.

For the newest version of Yahoo! Mail:

1. Click Actions.
2. Select Export All.
3. Choose from the programs listed on the page and click Export Now button.

For Yahoo! Mail Classic:

1. Click the Contacts tab.
2. From the Tools menu select Export....
3. Select the program you want to export to and click the Export Now button.

For Yahoo! Mail:

1. Go to Options.
2. Select More Options.
3. Click Contacts Options.
4. From the Tools menu select Export....
5. Select the program you want to export to and click the Export Now button.