This article deals with Philology in the context of preservation and access to information, common to different sciences, such as Information and Libraria Sciences. The discussion regarding the editing of genuinely digital texts and the paths of philology in the digital humanities is presented. This discussion is based on studies  of the digital poetry of Ernesto Melo e Castro, an unpublished work in what concerns his digital production. Many problems arouse when considering the preservation of textual material linked to digital culture and many challenges will be proposed for a Philology related to the field of Digital Humanities.