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Joel Geraci
Community Expert
Joel GeraciCommunity Expert
Community Expert
May 10, 2019

You can batch secure PDF files using the Encrypt Action in the Action Wizard. 

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    May 10, 2019

    You would have to write a plugin for Acrobat Pro (not the free Reader) using C++.  You cannot use VB or C# or write an app.

    Thom Parker
    Community Expert
    Thom ParkerCommunity Expert
    Community Expert
    May 10, 2019

    Well Actually, you can create a Security Profile that uses a password. Then use JavaScript or the IAC to get Acrobat to apply that profile to a PDF. What you can't do is change the password with a script or IAC.  At least not directly. To change the password you need a plug-in, as noted.

    However, you could use a combination plug-in/JavaScript to create a more general password setting methodology. 

    The C++ SDK contains examples of setting a password in the Snippets.

    Thom Parker - Software Developer at PDFScriptingUse the Acrobat JavaScript Reference early and often
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