Microsoft is being investigated by the Federal Trade Commission in a wide-ranging antitrust probe, making it the fifth Big Tech company to fall under such scrutiny in several years. The demand for information that spans hundreds of pages and culminates over a year of informal discussions with Microsoft competitors and partners.

Regulators are demanding information from the company on its cloud computing, artificial intelligence and cybersecurity products.

The U.S. Federal Trade Commission has opened a broad antitrust investigation into Microsoft, including of its software licensing and cloud computing businesses, a source familiar with the matter said on Wednesday.

The US Federal Trade Commission has opened an antitrust investigation of Microsoft, drilling into everything from the company’s cloud computing and software licensing businesses to cybersecurity offerings and AI products.

After more than a year of conducting informal interviews with competitors and business partners, antitrust enforcers have crafted a detailed request to force Redmond-based Microsoft to turn over information,

FTC antitrust lawyers have sent Microsoft a detailed information demand, spanning hundreds of pages, after receiving approval from FTC Chair Lina Khan, the report said quoting sources familiar with the matter.