Open the PDF in Adobe Acrobat Pro
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Go to File
Select Properties
Open the Security tab
Choose No Security from the Security Method menu
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Save the PDF
Open the PDF in Google Chrome or Microsoft Edge if the file allows printing
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Print the document
Select Save as PDF as the printer
Save the new PDF without password protection
Open the PDF in Preview on Mac
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Go to File
Select Export as PDF
Save the exported file
Use an online PDF unlock tool only if you are authorized to remove the protection
Upload the PDF
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Download the unlocked PDF
Use a PDF password removal tool only if you own the file or have permission
Open the protected PDF in the tool
Enter the password
Remove security settings
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