Thanks to the partnership with Deda Tech, the EU Historical Archives has achieved significant results, including ensuring the long-term preservation of records despite continuous technology upgrades. They have also achieved repositioning as a service provider in certified digital repository and have consolidated their expertise and reliability in collection and deposit procedures, attracting interest from agencies and institutions. The Deda Tech team's high level of expertise in digital preservation standards and the choice of a high-quality open-source solution with specific functionality for the needs of historical archives contributed to the project's success.