- Collection care
- Information and records management
- Digital preservation
- What to keep
- Reform of public bodies
- Public inquiry guidance
- Information principles
Digital preservation guidance notes provide advice on specific topics related to the preservation and management of electronic records. They are written for anyone involved in the creation of electronic records which may need to be preserved over the long term, and those responsible for preservation.
Selecting storage media
Advice for creators and managers of electronic records when selecting physical storage media for long-term preservation.
Guidance on selecting storage media (PDF, 0.09Mb)
Care, handling and storage of removable media
Electronic storage media are susceptible to damage through mishandling or inappropriate storage conditions. This guidance note provides advice on the care, handling and storage of removable storage media.
Graphic file formats
Advice for creators and managers of electronic records when selecting file formats for use with images.
Guidance on graphic file formats (PDF, 0.16Mb)
Advice for creators and managers of electronic records when selecting file formats for image compression.
Guidance on image compression (PDF, 0.11Mb)
Digitised Image Specification
Digitisation at The National Archives (PDF, 0.45Mb)
Redaction of electronic material
Guidelines for editing exempt information from paper and electronic documents prior to release:
Redaction toolkit (PDF, 0.15Mb)
DROID automatic format identification documentation (including XML schemas)
This technical report describes an identification method developed by The National Archives, which uses automated analysis of the binary structure of a digital object, and comparison with predefined internal and external 'signatures' for specific formats. The report can be accessed here: DROID automatic format identification documentation
Extend the capability of DROID through developing and contributing new signatures:
PRONOM Technical Registry Unique Identifiers
The PRONOM Unique Identifier (PUID) is an extensible scheme for providing persistent, unique and unambiguous identifiers for file formats.
The National Archives has developed guidance on the need for a digital preservation policy. It discusses the main success criteria for a policy and its relation to other policy areas.
Digital preservation policies: guidance for archives (PDF, 0.25Mb)
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