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Change or remove encryption from a PDF
You
can change or remove security settings from PDF files that you’ve
encrypted.
Change encryption settings- Do one of the following:
For a single PDF or a component PDF in
a PDF Portfolio, open the PDF.
For a PDF Portfolio, open the PDF Portfolio and
choose View > Portfolio > Cover Sheet.
- Select Advanced > Security > Show Security Properties.
- Click Change Settings.
- Do any of the following, and then click Next.
To encrypt different document components,
select that option.
To change the encryption algorithm, choose it from
the menu.
- Do any of the following:
To
check a trusted identity, select the recipient, and then click Details.
To remove recipients,
select one or more recipients, and then click Remove. Do not remove
your own certificate unless you do not want access to the file using that
certificate.
To change permissions of recipients, select one
or more recipients, and then click Permissions.
- Click Next, and then click Finish. Click OK to close
the Document Properties dialog box, and save the document to apply
your changes.
Remove encryption settings- Do one of the following:
For a single PDF or a component PDF in
a PDF Portfolio, open the PDF.
For a PDF Portfolio, open the PDF Portfolio and
choose View > Portfolio > Cover Sheet.
- Select Advanced > Security > Remove Security.
- If prompted, type the permissions password. If you don’t
know the permissions password, contact the author of the PDF.
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