Yahoo Messenger is an instant messaging client from Yahoo, a true pioneer of the instant messaging era. The service enables its users to communicate with fellow users via instant messages, as well as voice and video calls, via Yahoo Voice. Being integrated with Yahoo Mail, the messenger requires its user to set up a Yahoo Account. Yahoo Messenger uses contacts from Yahoo Mail. Users may also connect to Facebook and receive its notifications.
Yahoo is more open than other IMs, in that it is one of the very few that allow public chatting: at the multi-party voice sessions, you can talk to dozens of other people.
Users can call mobile and landline phones from Yahoo Voice — to do that they need to subscribe to Phone Out service offering cheap international rates. The app also enables users to share files, listen to online radio, transmit text messages and voicemails to cell phones.
Yahoo Messenger’s interface is simple and intuitive. With numerous plugins and add-ons, such as weather, calendar, music, finance, and more, users can customize the app's interface and thus enhance their experience.
Yahoo! Messenger is ad-supported and is free to use. It is compatible with major operating systems.