Microsoft launches messaging system for businesses, takes on Slack

(Reuters) - Microsoft Corp launched a messaging system for businesses, Microsoft Teams, on Wednesday, putting it in direct competition with fast-growing startup Slack and Facebook Inc's Workplace product. The new software will be part of Microsoft's Office 365 services, a cloud-based software suite that has more than 85 million monthly active commercial users. Slack, whose customers include CBS Corp, BuzzFeed, universities and the U.S. government, had over 4 million daily active users in October