The study focuses on the identification of criteria for the transformation of printed teaching texts and materials into digital form. Based on the identified criteria, the goal is to upgrade the form of printed teaching texts, in accordance with the needs of education in the 21st century, into a digital form. In order to increase the level of competence of teacher students in the field of handling digital platforms, work with digital resources was included in a specific subject in their undergraduate preparation for higher education. The output of the study is a concrete demonstration of the transformation of printed content into digital form and the presentation of data of a group of students educated in the field of handling digital resources during their undergraduate training in a specific subject.