PDF/A (Flyer)

Updated June 2015

PDF/A flyer coverPDF/A is the ISO standard for archiving electronic documents using the PDF format. The first part, PDF/A-1, was published on October 1, 2005. The second and third parts, PDF/A-2 (2011) and PDF/A-3 (2012), enhance PDF/A with support for additional features in the PDF format, including options for combining several PDF/A files into one PDF/A collection or embedding the PDF’s source files or other data, support for transparency, and much more.

The creation of the multi-part PDF/A standard required many years of cooperation between international delegates from software developers, industry associations and government agencies.

ISO 19005 defines “a file format based on PDF, known as PDF/A, which provides a mechanism for displaying electronic documents in such a way that the visual image is maintained over time, irrespective of the tools and systems used for their production, storage and reproduction”.

PDF/A does not define an archiving strategy; the standard simply details technical requirements for PDF electronic documents to ensure reliability decades or even centuries after the file’s creation.

Since 2005 PDF/A has become well-established as the preferred format for archiving electronic documents. The PDF format, itself standardized in 2008 as ISO 32000-1, is used around the world in public and private sectors and, after HTML, remains the most popular format online. PDF will continue to be employed as a robust and flexible document format in a variety of areas for the foreseeable future.

PDF/A ensures reliable access to PDF documents, making PDF ideal for long-term archiving.

  • PDF/A Flyer

    ISO 19005: A Series of Standards for Long-term Digital Archiving

About PDF/A Competence Center

The first of the PDF Association's Competence Centers.

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