How to remove a PDF password | Unlock a PDF | Adobe Acrobat
https://www.adobe.com/acrobat/resources/how-to-remove-pdf-password.html
WEB1. Open the PDF in Acrobat Pro on Windows or Mac. 2. Choose Tools › Encrypt › Remove Security. 3. If the document has a Document Open password, click OK to remove it. 4. If the document has a permissions password, type the correct password in the Enter Password box and then click OK. After those steps, congratulations, you’ll have an unlocked PDF.
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