Building of the immense success of the previous symposia, we are thrilled to announce that the Sixth International Metaproteomics Symposium will take place on 13-15 January, 2025, in Oslo, Norway. The conference is a fantastic opportunity to share the latest research and discoveries in the field of metaproteomics, covering topics such as new methods and trends, integrative multi-omics and bioinformatics, and applications to decrypt dynamics in animal, human and environmental microbiomes. The conference will feature presentations from leading experts in the field as well as rising stars and offers opportunities for networkingwith colleagues from around the world. We invite all researchers with an interest in metaproteomics to join us in Oslo in January 2025 for an engaging and informative conference that is sure to advance our understanding of this fascinating field.