The US Federal Trade Commission is moving ahead with a sprawling antitrust probe of Microsoft Corp. that was opened in the waning days of the Biden Administration, signaling that Donald Trump’s new FTC Chair Andrew Ferguson is going to prioritize scrutiny of tech giants.

FTC staff in recent weeks have continued to work on the investigation, meeting with companies and other groups to gather information, according to people familiar with the matter, who asked not to be named discussing a confidential investigation.