If you're a Yahoo! Merchant Solutions customer, access the web-based tool from the "Yahoo! Shopping" link in your Store Manager. Otherwise, you can access the tool by signing in on the [url=http://login.yahoo.com/config/login?.intl=us&.src=pmshp&.done=https://productsubmit.adcentral.yahoo.com/sspi/us/Manage My Accounts[/url] page.