Chelsea Jia Feng/BI
Viva Engage, Microsoft's slick message board designed to compete with Slack, is often touted as "Facebook for work." Microsoft says the tool "strengthens relationships" among remote and hybrid employees and "creates a sense of belonging and purpose." But since the start of the Israel-Hamas war, Business Insider has learned, the Viva Engage platform that Microsoft maintains for its own employees has come to resemble Facebook without work: a site of roiling hostility and personal attacks.