Password-protecting a file is the best way to safeguard its content and make sure it won’t end up in the wrong hands. Depending on your platform, a lot of tools can help you add an extra layer of protection to documents on which you keep sensitive data. However, the most proven and simple way of handling this task is utilizing DocHub.
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to encrypt a PDF on a Mac first right-click or hold ctrl and click on the PDF and select open with preview when the PDF opens navigate to the file menu in the top left of your screen and select export from the drop-down in the window that appears make sure that the new PDF will be saved in the same location as the old version in this case Im saving it to the desktop then check the encrypt box at the bottom and enter your desired password in the two text fields that appear click Save in the lower right and then click replace in the prompt you will then see your PDF get replaced with the encrypted version now when you try to open the PDF it will prompt for your password before youre able to view it I hope you found this video helpful and please leave any questions or ideas in the comments thanks