What does “older browsers” mean in this particular case? Well, anything that is older than the two most recent versions of Firefox, Internet Explorer, Chrome, and Safari will qualify, so you might want to get cranking right away, or at least put a note in your reminder or calendar to do so by June 5.
Basically, if you remain adamant that you would want to maintain the existing browser version without upgrading to the recommended latest versions, you will only be able to access Yahoo’s Basic Mail, which will also lack integration with Yahoo’s Messenger chat service as well as miss out of customizable themes.
Yahoo does not in particular that those who are still running Internet Explorer 8 are bound to be the group that will be affected the most, considering how that particular browser has now been five years in existence. [Press Release]