"Boring" products can make for revenue that funds riskier bets.In January 2024, Office 365 quietly reached 400 million paid seats. Microsoft (MSFT 0.26%) products are as integrated into our professional lives as meetings that could've been emails, but these "boring" and decades-old tools are the fuel Microsoft is using to compete in the artificial intelligence (AI) race.As AI progresses and automates away chunks of the professional world as we know it, the legacy suite of Microsoft 365 products shows no sig ...