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What is PRONOM?

PRONOM is an on-line information system about data file formats and their supporting software products. Originally developed to support the accession and long-term preservation of electronic records held by the National Archives, PRONOM is now being made available as a resource for anyone requiring access to this type of information.


What sort of information does PRONOM hold?

PRONOM holds information about software products, and the file formats which each product can read and write. A full description of the individual fields used by PRONOM is available in the system documentation.


Who is PRONOM intended for?

PRONOM is being made available as an information resource for anyone who needs authoritative information about software products, their support lifecycles and technical requirements, and about the file formats which they support.


How do I submit new information to PRONOM?

We actively invite the submission of new information for inclusion on PRONOM. If you would like to do so, please use our online submission form. The sources for all information included on PRONOM will be fully acknowledged.


How do I find out more?

If you would like to know more about PRONOM, please contact usEmail link.


What plans are there for the future development of PRONOM?

Work has been undertaken to create a linked data version of PRONOM. We hope to revisit this model for PRONOM in the future. As part of a broad reorganisation of The National Archives web services the current iteration of Linked Data PRONOM has been removed.


Who created PRONOM?

PRONOM was developed by the Digital Preservation Department of the UK National Archives. To find out more about our work, please visit our webpages.



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