Microsoft’s logo at its new €134m campus in south Dublin. Photograph: Brenda Fitzsimons

Microsoft will offer businesses a free version of its Teams corporate chat app, taking on Slack Technologies Inc in the start-up’s main market. The n(...)

Slack Technologies is seeking an investment that would value the company at $3.5 billion to $4 billion

Slack Technologies, which runs a messaging service for businesses, is seeking an investment that would value the company at $3.5 billion to $4 bi(...)