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Trying to Encrypt a PDF file with a password

New Here ,
Mar 13, 2019 Mar 13, 2019

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When attempting to password protect a PDF, I get the message "You cannot change security on this document because this document is signed or certified." Is there any way to do this (password protecting) with a signed, certified PDF?  (Adobe Acrobat Standard 2017)

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Security digital signatures and esignatures

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correct answers 1 Correct answer

Community Expert , Mar 13, 2019 Mar 13, 2019

No. It needs to be done before the file is signed.

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Community Expert ,
Mar 13, 2019 Mar 13, 2019

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No. It needs to be done before the file is signed.

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New Here ,
Mar 13, 2019 Mar 13, 2019

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Thanks, was thinking that what the issue was. The PDF came to the user signed and was attempting to put a password on it.

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