Enable tagging in the application in which the PDF was authored, and re-create the PDF.

To specify tags manually, do one of the following: Acrobat automatically adds tags to the PDF. To fix this item automatically, select Tagged PDF on the Accessibility Checker panel, and then choose Fix from the Options menu. If this rule check fails, the document isn't tagged to specify the correct reading order.

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.

Viewing preflight results, objects, and resources.

PDF/X-, PDF/A-, and PDF/E-compliant files.

Playing video, audio, and multimedia formats in PDFs.

Add audio, video, and interactive objects to PDFs.Edit document structure with the Content and Tags panels.

Reading PDFs with reflow and accessibility features.Capture your signature on mobile and use it everywhere.Overview of security in Acrobat and PDFs.Securing PDFs with Adobe Experience Manager.Convert or export PDFs to other file formats.Hosting shared reviews on SharePoint or Office 365 sites.Working with component files in a PDF Portfolio.Add headers, footers, and Bates numbering to PDFs.Send PDF forms to recipients using email or an internal server.Troubleshoot scanner issues when scanning using Acrobat.Change the default font for adding text.Enhance document photos captured using a mobile camera.Rotate, move, delete, and renumber PDF pages.Asian, Cyrillic, and right-to-left text in PDFs.Grids, guides, and measurements in PDFs.Access Acrobat from desktop, mobile, web.

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