You can revert back to the default setting anytime you want to. Set view documents in PDF/A mode to “never”. How to open a PDF/A PDF file without read-only mode?Įdit> Preferences> Documents> PDF/A View mode. But some of them also have the option to read the PDF files in Dark Mode. Actually Adobe PDF reader or Acrobat have the option to turn off the PDF/A view only mode. It is safe, It is safer and securer for long run. It’s a format that ensures a PDF file can be reproduced exactly the same way because all necessary information for displaying the document is embedded in the file. PDF/A format is important and mainly for business use. The ISO requirements for PDF/A file viewers include color management guidelines, support for embedded fonts, and a user interface for reading embedded annotations (From Wikipedia). PDF/A differs from PDF by prohibiting features ill-suited to long-term archiving, such as font linking (as opposed to font embedding) and encryption. PDF/A is an ISO-standardized version of the Portable Document Format (PDF) specialized for use in the archiving and long-term preservation of electronic documents. If you open a PDF/A standard PDF, in default you will not able to modify it because Adobe PDF reader or Acrobat will open it in view only mode. The file you have opened complies with the pdf/a standard and has been opened read-only.
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