- MSN Messenger - Windows Live Messenger - Microsoft Office Communications - Microsoft V-Chat - Microsoft Lync - Skype - Skype for Business (completely different piece of software than skype) - Microsoft Classroom - Microsoft Teams (no guarantee of completeness) Some of these did better than others, but in the end they all went down the drain. That makes me suspect that it's not the software itself, but some corporat…
This one was painful with your smartphone and computer not necessarily receiving the same messages. Also I never understood how and why my status was changing/not changing automatically.
I think Teams still suffers from similar issues. It happens that sometimes I open a second teams in a separate browser to have a full chat window while videoconferencing and both chats are not always in sync, sometimes I see a message has been sent from the notification window but if I try to see the full message it never appears on that window while it does on another one.