Replication package for the manuscript titled "Reversible Pressure-Dependent Mechanochromism of Dion-Jacobson and Ruddlesden-Popper Layered Hybrid Perovskites " This package contains the original manuscript and all supplementary material. This package is organized according to the structure of the manuscript. The "Dataset" folder contains all the raw data used in the manuscript according to the figures' name in the order of appeareance in the manuscript. In the "Figure" folder, a vector image and the final image used in the manuscript are stored. ------- Authors ------- Loreta A. Muscarella (1) Algirdas Dučinskas (2,5) Mathias Dankl (3) Michal Andrzejewski (4) Nicola Pietro Maria Casati (4) Ursula Rothlisberger (3) Joachim Maier (5) Michael Graetzel (2) Bruno Ehrler (1) Jovana Milic (2,6)* Affiliation (1) Center for Nanophotonics, AMOLF, Science Park 104, 1098 XG Amsterdam, the Netherlands (2) Laboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland (3) Laboratory of Computational Chemistry and Biochemistry, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland (4) Paul Scherrer Institute, Forschungsstrasse 111, CH-5232 Villigen, Switzerland (5) Max Planck Institute for Solid State Research, Heisenbergstr. 1, 70569 Stuttgart, Germany (6) Adolphe Merkle Institute, University of Fribourg, CH-1700 Fribourg, Switzerland Corresponding Author Jovana Milic jovana.milic@unifr.ch Bruno Ehrler b.ehrler@amolf.nl