Adobe Acrobat Product Family: The versions Standard (Windows) and Professional (MacOSX/Windows) can display PDF/A according to the requirements of the ISO 19005-1 standard. Valid PDF/A files are available from any desktop application via the ‘Adobe PDF’ printer driver and ACROBAT DISTILLER. And in Adobe Acrobat 8 , 9 and X Pro (MacOSX/Windows), the integrated ‘Preflight’ function not only validates PDF/A, but can in the same step also fix numerous issues reported. With this, legacy PDF files can be converted to valid PDF/A. [...]