The National Archives
Search our website
  • Search our website
  • Search our records
Image of software box and CD PRONOM
Welcome (PRONOM  home page) About PRONOM Add an entry
Search Help - opens in a new window Information resources - opens in a new window

*Details: File format summary



Search by keyword Search by file format Search by PUID Search by software Search by vendor Search by lifecycles Search by Migration Pathway

Details for:

Save as... XML | CSV Printer friendly version


Name Acrobat PDF/X - Portable Document Format - Exchange 1a:2001
Other names PDF/X-1a:2001
Identifiers MIME:  application/pdf
PUID:  fmt/157
Classification Page Description
Description This 'exchange standard' format is based on Adobe's PDF 1.3 (2001) specification and includes additional notes specifically for delivery of high quality colour advertisements. It is a subset of the PDF specification, and an application standard as well as a file format standard. It is seen as a 'more reliable' PDF file.
Orientation Text
Byte order  
Related file formats Has priority over Acrobat PDF 1.0 - Portable Document Format (1.0)
Has priority over Acrobat PDF 1.1 - Portable Document Format (1.1)
Has priority over Acrobat PDF 1.2 - Portable Document Format (1.2)
Has priority over Acrobat PDF 1.3 - Portable Document Format (1.3)
Has priority over Acrobat PDF 1.4 - Portable Document Format (1.4)
Has priority over Acrobat PDF 1.5 - Portable Document Format (1.5)
Has priority over Acrobat PDF 1.6 - Portable Document Format (1.6)
Has priority over Acrobat PDF/X - Portable Document Format - Exchange 1:2001  
Has priority over TrueType Font  
Has priority over Acrobat PDF 1.7 - Portable Document Format (1.7)
Has priority over Acrobat PDF/A - Portable Document Format (1b)
Is previous version of Acrobat PDF/X - Portable Document Format - Exchange 1a:2003  
Is subtype of Acrobat PDF 1.3 - Portable Document Format (1.3)
Technical Environment  
Supported until  
Format Risk  
Developed by None.
Supported by None.
Source Digital Preservation Department / The National Archives
Source date 15 Feb 2007
Source description  
Last updated 22 Oct 2009
Top of page Top of page
The National Archives Newsletter Icon

Send me The National Archives’ newsletter

A monthly round-up of news, blogs, offers and events.