PDF (Portable Document Format) is the most widely accepted file format for sharing documents, including images, text, and other information. Not just that, it can also contain rich media elements such ...

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Adding password protection to your business' PDF files helps to prevent contents from being viewed or edited by unwanted parties. If your business already has Adobe Acrobat, the application's ...

Select whether you want to restrict editing with a password or encrypt the file with a certificate or password. Check the Check copy text, images, and other content box is clear. In Compatibility, ...

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“Is there any way to password-protect and lock a sensitive PDF file before sending it as an attachment through email? I cannot afford Adobe Acrobat Pro and free primopdf didn’t work for me. Any help ...