Protection can be applied to PDF files, and through portfolios and file attachments to other file formats to either restrict the ability to open a file, or block access to features such as printing, editing, commenting and content extraction.Īcrobat X supports the widest range of protection methods, with varying degrees of encryption to choose from based on the value of the documents and the needs of your users.Īll PDF protection relies on encryption, either using a password, digital certificate or a server-based rights management solution. Protecting documents against unauthorized access or alteration is an important part of modern life, and in Acrobat X we have improvements in both the strength of our encryption methods, and the simplicity of applying and managing them. How to protect PDF documents using Acrobat X
