SAN FRANCISCO, Feb. 28 -- Microsoft yesterday announced it was retiring Skype, the online voice and video call pioneer that the tech titan acquired in 2011.

"Starting in May 2025, Skype will no longer be available," said a post from Skype support on X, directing users to sign into Microsoft's Teams platform for further use of its services.

Skype was founded in 2003 by Scandinavians Niklas Zennstrom and Janus Friis in Estonia, revolutionising internet communication by offering free voice calls between computers and affordable rates for calls to landlines and mobile phones.

Over the years, and as internet speeds improved, Skype evolved to include video calls, instant messaging, file sharing and group communication features.

By 2005, Sky...