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PDF Security

What is the Yellow space icon displayed to the right of the space name?

Question The lightning bolt mark (electric mark, thunder mark) is displayed. What does this mark mea...

Last Updated : 06 Feb 2025

What is the difference between “password” and “master password” in PDF security?

Question What are the meanings of “password” and “master password” on the PD...

Last Updated : 25 Jul 2022

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