'Beginning March 1, users running older versions of Skype for Windows desktop (7.16 and below) or Skype for Mac (7.0 to 7.18) will no longer be able to sign in,' stated Microsoft.
In the post, the company revealed that getting rid of the older versions is a part of its strategy to make the transition to the new Skype version smoother and easier. Microsoft made the announcement through a blog post on Feb.