
The logical structure tree reflects an accurate reading order and appropriate levels of tags. Tagging during conversion enables the authoring application to draw from the paragraph styles or other structural information of the source document to produce a logical structure tree. Tagging during conversion to PDF requires an authoring application that supports tagging in PDF. If you do not have access to an authoring application that can generate a tagged PDF, you can tag a PDF any time by using Acrobat. Examples of these applications include Adobe FrameMaker®, Adobe InDesign®, Microsoft Word, or OpenOffice Writer. With a tagged PDF, the logical structure tree sends the contents to a screen reader or other assistive software or hardware in an appropriate order.įor best results, tag a document when converting it to PDF from an authoring application. If a PDF doesn’t contain tags, Acrobat attempts to tag it automatically when users read or reflow it, and the results may be disappointing.

Improve the accessibility of PDFs by adding tags in Acrobat. Additional checks in the Preflight tool.Analyzing documents with the Preflight tool.Automating document analysis with droplets or preflight actions.Correcting problem areas with the Preflight tool.


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