Slack Passes 3 Million Paid Users

Workplace messaging company won’t go public in 2018, CEO says

Slack Technologies Inc. has surpassed 8 million daily active users and 3 million paid users, the company said Tuesday, continuing to grow rapidly as it sets the stage for a public offering in the next few years.

The company behind the popular workplace messaging app saw its daily active user number increase by roughly a third from last September and double since October 2016.

The...