In a week, on April 8, Microsoft is set to begin moving the tens of millions of users still on its desktop version of its Windows Live Messenger instant-messaging service to Skype IM. Microsoft will ...

Windows Live Messenger users with version 8.1 or 8.5 started getting an optional upgrade message on August 25. As of last night, however, Microsoft is starting to make the upgrade mandatory: users ...

Although the final version of Windows Live Messenger 8.5 was released back in November, Microsoft as usual made the upgrade optional until a certain point in time. Over the next couple of weeks, ...

Update: Since this article was published, Facebook has confirmed that it will be retiring its Messenger app on all Windows Phones, as well as the Facebook apps on Windows Phone 8, Windows Phone 8.1, ...