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I have a some very valuable website content that I have archived by printing to PDF using Adobe Acrobat Professional. What follows is true for websites but also any other sort of file you want to preserve.

The take-away from the post is that if you want to preserve digital content and be able to re-purpose it in future then you must set your PDF printer to use PDF/A. Unsurprisingly the /A stands for “Archive”.

The following pictures shows what can happen.

The original web page

A wiki page

The PDF Images

There is no visible difference between PDF/A and PDF standard.

PDF Standard image of a wiki page PDF-A image of a wiki page

Only PDF/A preserves text for export

Word from PDF-A

PDF Standard contains numerous errors

Word from PDF Standard