The invention concerns a method of broadcasting data files, in particular multimedia files, during a video conference using a sending terminal and a man/machine interface located in the said terminal. According to the method proposed, the broadcasting of the files is effected in real time with a current video conference communication, without breaking this communication, using the audio and video channels open for this communication, a participant being able, using the said terminal, by means of a simple selection of the file appearing on his screen and movement of this, to activate the launch of the broadcasting of the file to be broadcast.