Workshop abstract: Do you want to join our effort to put the FAIR data principles into practice? Come and explore the assessment tool that DANS, Data Archiving and Networked Services in the Netherlands, is developing for data repositories. The aim of our work is to implement the FAIR principles into a data assessment tool so that every dataset which is deposited or reused from any digital repository can be assessed in terms of a score on the principles Findable, Accessible, Interoperable, and Reusable, using a ‘FAIRness’ scale from 1 to 5 stars. In this interactive session participants can explore the pilot version of FAIRdat: the FAIR data assessment tool. The organisers would like to inform you about the project, and look forward to all feedback to improve the tool, or to improve the metrics that are used. SPEAKERS Peter Doorn, Data Archiving and Networked Services (DANS) Marjan Grootveld, Data Archiving and Networked Services (DANS) Elly Dijk, Data Archiving and Networked Services (DANS) DAY 3 - 11:30 PARALLEL SESSION 7