Spreadsheet for desk-based mapping of requirements, developed and populated in connection with investigation of discipline-specific requirements and needs with regard to preservation of digital objects, run by Task 3.1 of the EOSC EDEN project. The spreadsheet was set up by members of EOSC EDEN WP3 and WP1 in March 2025, and populated by members of EOSC EDEN WP3 and WP2 in the period March-May 2025. EOSC EDEN is funded by the European Union (Grant Agreement number: 10118801). Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or the Agency. Neither the European Union nor the granting authority can be held responsible for them.