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Level 2

361 points

Password-protect a Preview PDF one-time

Is there a way to add a one-time password to a Preview PDF? What I need is once the password is entered then the PDF will open all times after that.

MacBook Pro (13-inch, Late 2016, 4 TBT3), macOS High Sierra (10.13.3)

Posted on Apr 23, 2018 5:20 AM

Best reply

Barney-15E

Level 10

112,620 points

Posted on Apr 26, 2018 5:24 PM

Zip and password protect the zip file. Once they unlock and extract the Zip, the PDF will be unlocked. They would only ever need the password again if they lost the PDF and had to extract it again.

http://osxdaily.com/2012/01/07/set-zip-password-mac-os-x/

I don't think there is any OS that cannot unzip a zip archive.

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Password-protect a Preview PDF one-time

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