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![How to lock a PDF so it cannot be edited [Safe]](https://cdn.windowsreport.com/wp-content/uploads/2022/01/locklizard-pdf-file-bg.jpg "How to lock a PDF so it cannot be edited [Safe]")
How to lock a PDF so it cannot be edited [Safe]
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![How to lock a PDF so it cannot be edited [Safe]](https://cdn.windowsreport.com/wp-content/uploads/2022/01/lock-PDF-so-it-cannot-be-edited.jpg "How to lock a PDF so it cannot be edited [Safe]")