Would still rather use Slack though. Teams needs to work on their interface.
The pros include, good audio calls. Compared to Skype for Business, it's a much needed improvement. Their Office 365 integration is also pretty good a la google docs.
It's a resource hog, but that's the status quo these days.
- Teams does not keep that much history on the computer and needs to go very early to the internet and retrieve more history (basically as soon as you start scrolling). Slack keeps quite much history on the computer.
- Teams does not support simultaneous logins. Need to switch to another account - log out and log in again! Slack supports that since quite some time.
- I‘m not actually sure whether Teams supports threads or not. If they do, that speaks for the UI (i didn‘t find it then). If they don‘t, it‘s a feature I love in Slack.
- Generally I think Teams can do quite a lot ot of stuff but everything needs a bit more clicks than Slack. Channels are hidden behind „Chats“ rather than having a shortcut, ...