Yahoo! Messenger was discontinued from the 17th July 2018. Yahoo does not have a replacement for this service, however, they are developing a group messaging app called Yahoo Squirrel that is currently in Beta.
Looking for an alternative? Try one of these popular messengers below.Skype - WIN - MAC
Skype is the most popular free voice-over IP and instant messaging service globally. It allows users to text, video and voice call over the internet. Users can also call landlines and mobiles at competitive rates using Skype credit, premium accounts and subscriptions. Skype uses P2P technology to connect users on a multitude of platforms including desktop, mobile and tablet. The call quality (depending on your internet signal) and additional features like conversation history, conference calling and secure file transfer are excellent. There have been some criticisms over the programs bandwidth usage and security vulnerabilities.
Viber is a popular free Voice-over IP messaging service and Skype alternative, that can be used on your smartphone, Mac, or PC. The Viber client takes the convenience of the mobile app and brings it to your PC or Mac so you can stay connected even when you don’t have your mobile phone. It also makes it easier to get on with work and multitask while communicating with your contacts.
Slack is an online, social messaging platform that is designed for teams of all sizes, so they can collaborate on projects more effectively. Users can create a team in Slack, and then log in to hold group or private chats, share data and links with each member of that team and discuss the project together. All of the communications that are held on Slack are grouped into different Channels, and everything that is created is searchable.
WhatsApp is a renowned messaging service that has been around for some time now. Although you can use it on the web, WhatsApp has launched a desktop app for both Windows and Mac OS X platforms.