- Open the PDF in Acrobat.
- Use the “Unlock” tool:
Choose “Tools” > “Protect” > “Encrypt” > “Remove Security.”
- Remove Security:
The options vary depending on the type of password security attached to the document.
- If the document has a Document Open password, click “OK” to remove it from the document.
- If the document has a permissions password, type it in the “Enter Password” box, then click “OK.” Click “OK” once more to confirm the action.
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