Blog
Workshop with KBNL
On 18-19 november, three colleagues from the KB, National Library of the Netherlands, visited the Digital Preservation Team at the National Library of Norway (NLN).
2025-11-27
World Digital Preservation Day
World Digital Preservation Day is an annual event held on the first Thursday of November. The event is organized by the Digital Preservation Coalition (DPC), and the day features events, campaigns, and the sharing of experiences worldwide. Its goal is to highlight both the value and the challenges of long-term preservation of digital data. This year’s theme is 'Why preserve?'. Here you can read about the importance of digital preservation in the context of the National Library of Norway’s mandate and societal mission.
2025-11-06
Specifications for SIP Submission and Metadata Requirements
As part of the pilot project on long-term preservation of museums’ digital cultural heritage, the team has been working on standardizing the submission of digital objects, as well as ensuring that a minimum set of descriptive metadata is included alongside the deposited material.
2025-07-08
Preserving 1,6 million hours of television
The National Library of Norway has recently completed one of its largest digital preservation projects ever: transferring the entire archive of historical digital television broadcasts to a new preservation system.
2025-06-12
Pilot Project for Long-term Digital Preservation of Museum Collections
The National Library of Norway, in collaboration with KulturIT and commissioned by the Ministry of Culture, has initiated a pilot project to ensure long-term preservation of the LAM sector's digital cultural heritage.
2025-01-28
Moving 4.3 million digital newspapers
The National Library of Norway has undertaken a massive re-archiving project to migrate 4.3 million digital newspapers (2.5 petabytes) from their 2007 bit-repository to our new Digital Preservation Services system. The project involved extensive data cleanup, checksum generation, and quality improvements, achieving migration speeds of up to 42TB per day.
2024-11-06
Better Late Than Never: Adding Checksums to 16 Million Legacy Files
Case study on verifying 2.5 Petabytes of legacy data during migration at the National Library of Norway. Details how checksums validated 16 million files across multiple storage copies, finding zero corruptions after 20 years.
2024-11-06
Digital preservation poster
Explore our digital preservation awareness poster, available in both English and Norwegian, which visualizes key principles and practices of digital preservation at the National Library of Norway.
2024-09-30
Rearchiving 2 million hours of digital radio, a comprehensive process
Learn how the National Library successfully migrated 2.2 million hours of digital radio archives (1 Petabyte) from a 2007 bit-repository to a modern Digital Preservation System, including the technical challenges, improvements, and lessons learned during this massive preservation project.
2024-08-28
Preferred Digital Formats at the National Library
The National Library has revised its list of file formats preferred for digital preservation.
2024-07-05