The Federal Trade Commission is launching an antitrust investigation into Microsoft, according to a report. It’ll likely be Chair Lina Khan’s last chance to crack down on Big Tech. Khan personally signed off on a detailed request for information that the FTC has sent the software and IT company,

The FTC has demanded information about several facets of Microsoft’s business, sending the tech giant an information request that is hundreds of pages long, according to Bloomberg.

The FTC has launched an antitrust investigation into Microsoft, according to multiple reports — corroborating earlier reporting by the Financial Times.