This volume documents the contributions of the conference "Digital Editions between Experiment and Standardization", which took place on December 6?8, 2007 in the Heinz Nixdorf Museum Forum in Paderborn. It contains the written versions of the oral presentations ? here for the most part greatly expanded ? as well as summaries of the panel discussions of the three conference sections: concepts of digital editions,data formats for written music, and problems of encoding letters, diaries etc