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Correct answer

Hi ,

I am sorry but there is no way to highlight a locked PDF until and unless you do not unlock it .

For the security reasons PDF' are locked.You could just view a locked PDF.

You would need to enter a password to unlock a PDF and then only you would be able to perform editing ,be it highlighting the text or something else

Regards

Sukrit Dhingra

7 replies

New Participant
January 18, 2021

Hi Adobe,

 

I've read this thread. Is it possible to introduce a way of annotating a 'Secured' document?

 

I understand why it is important for documents to be secured. People who create them need to be confident that it isn't possible for someone else to alter them, deliberately or accidentally, in a way which would distort the intended meaning.

 

But it is also important for people who receive and use those documents to be able to highlight passages. After all, that's why the highlighter (and other) tools are available. As more people turn to using PDFs on-screen rather than printing them out in hardcopy, that becomes more important. I'm a barrister so I often get legal documents which are 'Secured', but I then need to make my own annotations as I go along.

 

There is clearly a difference between altering a document in a way which could confuse people, and simply highlighting elements of that document. It must be possible to create a set of annotation tools which can be used on a 'Secured' document without the risk of confusion, whether by formatting the highlighting/notes in a particular way or by linking them to my account in the same way that MS Word shows who has edited a document with track changes enabled.

 

At the moment this is a serious functionality gap in Acrobat. Please could you find a way to sort it out?

 

Thank you

 

Freddy Simpson

Bernd Alheit
Adobe Expert
January 18, 2021

You can allow commenting when you protect a PDF file with Adobe Acrobat:

https://helpx.adobe.com/acrobat/how-to/password-protect-pdf.html?set=acrobat--fundamentals--secure-pdf 

uccrista
New Participant
July 8, 2020

If you are using Mac, open the file in Preview, highlight to your heart's content and then print or sending it as need it. It will save and the highlighting will be viewable when opened in Acrobat.

New Participant
June 2, 2020

In Adobe Acrobat Reader DC two workarounds can be used:

  1. Use a low opacity rectangle to cover the text:
    • Click on Comment icon to enable the tools.
    • Click on Draw Rectangle tool,
    • Click on Change Color tool, choose the color and set opacity to about 40%,
    • Click on Change Line Thickness tool and set to 0 pt,
    • Draw a rectangle around the text you want to highlight.

      If you are not satisfied with the color and opacity then right click the rectangle, click Properties and change its appearance.

      This will also highlight over the character itself and the effect is not as good as the real Highlight.

  2. Print the PDF document as Image in a PDF file:
    • Open the file in Adobe Acrobat Reader DC and choose Print,
    • In (Windows OS) Print dialog box select the "Microsoft print to PDF" printer option, then click on Advanced,
    • In Advanced Print Setup check the box "Print As Image" and click OK.
    • In the Print dialog box click Print.

      The resulting file will be a PDF file not searchable but text highlight will be possible.
Participating Frequently
June 9, 2020

Dear Olmarcelo,

the second, that is the best help for me until now. Thank you.

 

New Participant
April 22, 2020

You can try to convert the file to word and later convert it back to pdf.

[link removed by mod]

That worked for me when the highlight option was blocked. 

Participating Frequently
February 22, 2020

Ok, understand thats protected. But. If I read a paper version I can also highlight simply with a highlighter pen. That is how people work through documents, protected or not. So maybe we can get a highlighter tool to highlight in protected pdf. Even if it is like a brush tool. This would not mean that we are changing the original document.

try67
Adobe Expert
February 22, 2020

There's no such thing as a "protected paper", so your analogy doesn't hold water. Digital files can be protected, though, and Adobe applications will respect that. Others might not.

And adding a comment is changing the original document, even if it doesn't look like it, or it's not to your liking.

chuckyboy333
New Participant
January 24, 2017

How do I unlock a locked PDF when I have the password?

try67
Adobe Expert
January 24, 2017

Open it in Acrobat and then go to File - Properties - Security and select No Security. You'll be prompted to enter the password.

After doing so save the file, close it and then open it again.

Correct answer
August 8, 2015

Hi ,

I am sorry but there is no way to highlight a locked PDF until and unless you do not unlock it .

For the security reasons PDF' are locked.You could just view a locked PDF.

You would need to enter a password to unlock a PDF and then only you would be able to perform editing ,be it highlighting the text or something else

Regards

Sukrit Dhingra

New Participant
August 9, 2015

Thank you sukrit.But is there any way to high light after copying the entire document and creating a new document by any different software?l

New Participant
August 10, 2015

Also I guess this depends on what you mean by "locked". If it is truly locked as in they have added security to keep you from doing anything then the answer above stands. But if by "locked" you just mean you cannot select text to highlight, it could be that the pdf is a scanned document and just an image of text which cannot be highlighted. You need to run text recognition on it first.


It is possibly scanned copy of pdf.how to make it in text form?