LONDON, May 14 : Britain will investigate Microsoft's dominance in business software using its powers to oversee big tech, its antitrust regulator said on Thursday, which could lead to targeted interventions to encourage competition. The Competition and Markets Authority said its "strategic market status" investigation, its fourth under powers granted last year, would examine whether the bundling of Windows, Word, Excel, Teams, Copilot and other products was uncompetitive. A Microsoft