The study at the origin of this article addresses a question still seldom approached in the research works on the e-portfolio: that of the persistence or non-persistence in the publication of its portfolio on the Internet. It handles this question by verifying the role played here by the perceived self-efficacy from students of the higher education eager to bring to a successful conclusion their professional project, and develop their e-portfolio. It also approaches this question by revealing the role played by their perception of the usefulness to persist in the publication of this e-portfolio.