Acrobat X - Cannot combine files with digital signatures

New Here ,
Jan 18, 2011 Jan 18, 2011

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We recently upgraded to Acrobat Pro X (from Acrobat Pro 7).  For many years, we have been using the digital signature feature to "approve" documents.  Frequently, we have the need to combine many (from several to hundreds) of these "approved" documents (with digital signatures) into one .pdf file.  However, Acrobat X Pro will not let us combine these files into one file.  When we try this, the first screen(first image below) indicates that the digital signatures will be removed during merge.  However, when we proceed, we get an error message (2nd image below) for all of the files with digital signature.

So my question is: How can we combine many .pdf files with Digital signatures into one new file?

(We need for users with previous versions to be able to open this new file, and we need to place a watermark on the file).

Thanks in advance for any help!

1.jpg

2.jpg

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Adobe Community Professional ,
Jan 18, 2011 Jan 18, 2011

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Combine the files as portfolio.


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Jan 20, 2011 Jan 20, 2011

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This is a known issue in Acrobat X, with combination of PDF(s) with digital signatures as "Single PDF".

As a work around, you could combine the PDF(s) into a PDF Portfolio.

Regards,

Devyani.

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New Here ,
Jul 25, 2011 Jul 25, 2011

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Do you have a work around for Acrobat X?  We do not have pro, and cannot make this work!


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Jul 25, 2011 Jul 25, 2011

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Please patch to Acrobat 10.1, the issue is fixed herein.

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New Here ,
Jul 28, 2011 Jul 28, 2011

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I have diligently searched the acrobat website but I can't even find the place to download fixes, much less that one. If you could point me in the right direction I'd really appreciate it.

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Jul 28, 2011 Jul 28, 2011

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You can instead go to Acrobat > HELP > opt CHECK FOR UPDATES.

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New Here ,
Jul 28, 2011 Jul 28, 2011

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I downloaded all updates, but it still will not keep the digital signatures when I combine files.

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Jul 28, 2011 Jul 28, 2011

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For PDFs w/ digital signatures, the signatures are removed before combining into a Single PDF.

Earlier, the combination was failing at this step, hence was skipping PDF(s) with signatures, which is the issue reported in the original post. This has been fixed in Acrobat 10.1.

What you're seeing is expected.

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New Here ,
May 18, 2011 May 18, 2011

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So, Acrobat X does not have the Portfolio option available, only the Pro version, so, now what?  This is a program problem, and it needs to be fixed by Adobe.  My old version works great, and I bought 9 copies of this Acrobat X stuff, only to find it doesn't work correctly!  Any other suggestions?

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New Here ,
Jul 25, 2011 Jul 25, 2011

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I am with you Kevin!  Adobe, are you listening?  This question is not answered!  We need a solution for Acrobat X!

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LEGEND ,
Jul 26, 2011 Jul 26, 2011

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his is a U2U forum. I suggest that you use Feature Request/Bug Report Form and Adobe will be notified of the problem.

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Community Beginner ,
Jan 15, 2021 Jan 15, 2021

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1. Open the signed pdf in Adobe.
2. Open print dialogue (Ctrl+p)
3. Change the printer to "Microsoft Print to PDF" then print.
4. The newly created PDF will have the signatures and will behave as a normal pdf for combine/merge activities.

 

Screenshot 2021-01-15 150132.png

 

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Most Valuable Participant ,
Jan 15, 2021 Jan 15, 2021

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EdZooks, thanks, but that is nonsense. The file will NOT have the signatures. Printing cannot preserve digital signatures, only pictures of signatures, which are useless and not legally valid

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Community Beginner ,
Mar 15, 2021 Mar 15, 2021

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"Test Screen Name's" comment deserves some consideration.  My suggested approach converts the digitally signed document to a standard pdf.  The result displays the signature information but the underlying digital signature is lost.  In my case the original signers understand the distinction. 

 

Creating a summary file is my goal.  I combine a variety of digitally signed, along with other related, documentation into a single summary pdf.  The original, digitally signed documents, are stored for future reference.  I am increasingly convinced that it is not possible to combine digitally signed documents into a single, summary pdf, while maintaining the underlying digital signatures.  

 

Users needing summary packets will benefit from my suggested approach.  However as "Test Screen Name" suggests, my approach remains "legally valid" to the extent that the original digitally signed documents are available on demand.

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