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When processing PDF files, sometimes we encounter the problem that the selected content cannot be copied. Let’s take a look at what causes PDF to fail to copy and how to solve it!
Reason 1: The permission setting of the PDF file prohibits copying. When the PDF file is password protected and the "copy" permission is restricted, the text cannot be copied.
Solution 1: Use the PDF editor to remove restrictions or change permissions. First, install the PDF editor. Take Foxit as an example below.
Open the PDF file through the editor, click [Remove Security Settings] in the menu tab [Protection] interface, pop up the dialog box and enter the originally set password in the password field, you can remove the password, lift the restrictions, and you can proceed Copied.
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Using the PDF gadget, you can directly remove the restricted permissions of the PDF without entering the originally set password. In other words, you can remove the restriction password even if you forget your password.
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