This research study analyzes the use of the CAPES Digital Library of Electronic Journals at the Federal University of Minas Gerais (UFMG), Brazil. The methodology used was a survey with questionnaires sent by email to 856 faculty members in diverse fields of knowledge at UFMG. One hundred and fifty two faculty members distributed in eight fields of knowledge participated in this research. The questionnaire presents 55 questions related to the habits of the electronic journal users. The study provides an overview of how researchers of different fields of knowledge at the UFMG make use of the CAPES Digital Library to carry out their research, focusing in the degree of satisfaction, barriers, difficulties and factors that facilitate use of the Portal. The paper presents recommendations for actions to improve the CAPES Portal, based on the findings of the study.