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Locking a PDF

New Here ,
Nov 15, 2017 Nov 15, 2017

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Using Adobe Acrobat DC, is there a way to lock a pdf from copying, emailing, editing, and saving?

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correct answers 1 Correct answer

Community Expert , Nov 15, 2017 Nov 15, 2017

Open the PDF in Acrobat DC, click File > Properties > Security

Security Method: select Password Security from the dropdown menu and explore your options.

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Community Expert ,
Nov 15, 2017 Nov 15, 2017

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Open the PDF in Acrobat DC, click File > Properties > Security

Security Method: select Password Security from the dropdown menu and explore your options.

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Adobe Employee ,
Nov 21, 2017 Nov 21, 2017

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New Here ,
Jan 19, 2021 Jan 19, 2021

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Hi, 

can I lock a pdf after I have filled a form to avoid the receiver being able to change it? I tried with password security on editing, but that only takes care of the text outside of the form fields that I have filled in manually. Is there a solution to this?

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Community Expert ,
Jan 19, 2021 Jan 19, 2021

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After filling the form fields you can disable form filling at password security.

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Community Expert ,
Jan 20, 2021 Jan 20, 2021

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The best way to do that is to digitally sign the file.

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