I did use Lync back in the day, and it was the same as Skype for Business (which was anyway just a re-branding of Lync as far as I remember). There were a few O

I did use Lync back in the day, and it was the same as Skype for Business (which was anyway just a re-branding of Lync as far as I remember). There were a few Outlook-Lync/SfB integrations as well, but mostly those were part of Outlook rather than Lync I believe.