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I work for the Lehigh Library and Technology Services Help Desk. I am trying to assist a professor who wants to highlight text in a PDF article that he has downloaded. The highlight tool and comment tools appear to be disabled (greyed out), although the document properties seem to indicate that they shouldn't be. I don't appear to have any problem highlighting other documents. If this document is secured to prevent highlighting, how would I know?
The program is Acrobat Reader 2017 (Version 2017.011.30142 for Windows 10 Enterprise Version 1809, 64-bit). The Security Properties for the document indicate (a) "Security Method: No Security", (b) "Can be Opened by: All versions of Acrobat", and (c) "Commenting: Allowed" (in fact, all of the operations listed, except "Document Assembly" and "Page Extraction" are listed as allowed). I take this to mean that highlighting should work. I have read other posts about the PDF being images (this one seems to be text--I can select the text, I just can't do anything to it), about multiple documents being open at once (I was careful about this), and about comments being disallowed (see above). I'd like to have an answer that is an improvement on "that feature in Acrobat just doesn't work sometimes, for no apparent reason, but you won't know until you try, and you can't get a clue as to why". Thanks in advance to anyone who can help.
Doug Reese
I got the file. It was saved as a PDF/A file, which means it can't be edited (the "/A" stands for Archive).
However, it should be possible to change it back to a "normal" PDF file. Do you not see a blue status bar at the top of the document when you first open it, with an "Enable Editing" button? If not, try going to Edit - Preferences - Documents and change "View Documents in PDF/A Mode" to "Never".
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Some file types don't allow editing because they were digitally signed or of the way they were created.
If you could share the file with us it will be easier to give you a more definite answer...
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try67:
Thank you. If you can provide me with an email address, sent to dsr1@lehigh.edu, I can leave the file in a secure dropbox at https://filesender.lehigh.edu for you to pick up (the email address is to notify you of the availability of the item and the code number by which to retrieve it). The file is 6,395,226 bytes long. If you have an alternative sharing method you would prefer, please let me know. --Doug
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You can send it to [try6767 at gmail.com].
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I got the file. It was saved as a PDF/A file, which means it can't be edited (the "/A" stands for Archive).
However, it should be possible to change it back to a "normal" PDF file. Do you not see a blue status bar at the top of the document when you first open it, with an "Enable Editing" button? If not, try going to Edit - Preferences - Documents and change "View Documents in PDF/A Mode" to "Never".
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That did it. Thank you very much. --Doug
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I have a pdf file that is secured, but in the security features I see that the commenting has been enabled. But I am still unable to highlight the text. How can I fix that?
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Can you select it at all using the Text Selection tool? If not, it's not real text, just an image. You can "highlight" it using other tools in this case, such as the Square commenting tool.
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OK, so please describe what happens when you use the Highlight tool on this text...
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The image did not come through. You can't attach it to an email reply. You have to do so from the forum itself.