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Not a paid shill, but Until recently Teams had capabilities Slack was laughingly behind :-/ Biggest one for me was that I could A) start multiple chats with same audience and rename them - so I can have chat with thom dick and Harry on system architecture over a few days and separate conversation with them on performance testing issues. This is trivial in teams. I have to create awkward channels in slack to approxima…
Teams, as much as I may dislike it, seems to have more built-in features than Slack, including a files feature that supports editing MS Office documents in place, and integration with Outlook calendar and email and other Microsoft apps. I also think that Slack didn't have video conferencing until relatively recently? As with the IBM model, I imagine it's simpler for companies to have a single source and a single supp…
Isn't that the problem with Teams? Instead focusing on highly usable text chat, the focus is growing the pile of integrations with other mediocre Microsoft products.
(Not that Slack is great; it's been bloated and slow for a long time and has likely been on steep downward trajectory since the buyout by Salesforce.)