The president issued a statement on Thursday saying there would be an orderly transition of power on January 20.
President-elect Joe Biden is due to take office on January 20, despite the Trump campaign's legal efforts.
Biden is on the verge of victory while Trump and his campaign use litigation and conspiracy theories to dispute his growing lead in key swing states.
"The Justice Department and Supreme Court are like a venomous snake lying in wait to steal the election," Scaramucci said in an interview published Monday.
Former Republican National Committee Chairman Michael Steele is the latest to join the expanding bloc of high-profile GOP figures endorsing the Democratic nominee.
C-SPAN announced its political editor, Steve Scully, is suspended indefinitely after he "falsely claimed" his Twitter account was hacked last week.
Steve Scully, the political editor of C-SPAN, came under fire from the president and others after his account tweeted at former White House Communications Director Anthony Scaramucci.
The former White House communications director called out Cruz's reluctance to hold Trump accountable on Thursday morning.
"They're all hustlers," Trump reportedly said, describing conservative religious leaders.
The president's former communications director said his old boss had alienated a "tremendous" amount of voters.
A group of former Republican officials formed REPAIR, which hopes to see Trump defeated in November's election.
The ex-White House director of communications agreed with Trump's former personal lawyer's assessment of those who work with the president.
"He goes bonkers and starts firing tweets at you. Which, of course, he did, and I get an extra 50,000 Twitter followers. The point I'm making is that this is what we have to do to beat him," Scaramucci said.
"This is further evidence of his inauthenticity and his lack of integrity," the House Speaker said of Trump and his sister's criticism.
The former national security adviser faces backlash as damning Ukraine book leaks continue.
The former White House communications director also argued the president was "incapable" of empowering his staff.
The book promised to give readers a "definitive insider narrative" of Trump's presidency.
"Whether it's Mulvaney, Bolton, Giuliani, Pompeo—if they have to testify under oath, he has to leave," former White House Communications Director Anthony Scaramucci said on MSNBC.
The former White House communications director said the president's Senate trial could prove too punishing for Trump to withstand.
"I think history will judge them very, very poorly," Anthony Scaramucci said of Republicans.
"He's had 85 people leave the White House and those people are going to start turning on him," the former White House communications director said.
Former White House Press Secretary Anthony Scaramucci appeared on CNN to discuss the book "A Warning" and suggested Trump is senile.
The former White House communications director admitted that his past support for the administration was a mistake.
"He's broken the law systematically, and he's using the forces of his communications skills to discredit people like you and me."
"We know that it's completely impeachable and completely illegal," the former White House communications director said in reference to Trump's actions towards Ukraine.
The former White House communications director said he didn't think Trump would make it to the next election.
"He's a good guy," Anthony Scaramucci argued, but said Mulvaney is "working for a terrible person."
In a tweet, Scaramucci told Trump that "trying to get dirt on" Joe Biden from the Ukraine President is "not like playing a game of 'Telephone' in middle school."