He did, someone would have to look at it and accept it. No one even wants to see it. There is plenty of evidence but not one judge or court gave them the ability to present the case (because they knew it would “overturn” the results they loved). Hopefully no one else comes asking for you to vote because, “it’s the most important election of our lifetime”. That ship has sailed.
He could put it on the White House website, or use the Emergency Broadcast system. He has options.