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You can delete pages from a PDF on a Mac using the Preview app. You can also add pages to a PDF in two ways with Preview.

You can password protect a PDF on a Mac computer using the Preview app to secure files that contain sensitive information.

The Preview app for iPhone is a new addition in iOS 26. Find out what it can do and how it can improve your workflow.

Permissions have two parts: an action and a set of users. The three actions—read, write, and execute—define what can be done ...