When is the Skype for Business end of life date?

Microsoft stopped supporting Skype for Business Online (the cloud version of the app) in 2021. While the platform is still working to some extent, Microsoft no longer offers it to new Office 365 subscribers. Microsoft will cease offering updates to Skype for Business on-premises servers in 2024.
So what’s next? Read the full research and technical comparisons among Skype for Business, MS Teams, and Messagenius here.