In evaluations for an enterprise messaging app, customers sometimes compare Teamwire with Microsoft Teams and Slack, which are well-marketed tools from the USA. Slack is a chat-based cloud collaboration tool, which is popular among startups for its integrations. Microsoft Teams is basically a clone of Slack and has more or less the same features. (Microsoft was kind of late to the enterprise messaging market, and Teams is its move to not miss out.) European enterprises often come to the conclusion in evaluations, that Microsoft Teams and Slack are not the right enterprise messaging apps for them. Here is why: