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A secure PDF file that enforces copyright law with features that prevent other users from reproducing or distributing it. The owner or creator of the PDF file uses password protection to restrict actions from other users such as accessing, printing, copying text and editing documents. If you need to edit or copy text from a PDF file but do not have access from the owner, follow these instructions to unlock the PDF file.
Steps
Begin
- Try copying. Restricted documents are generally protected from copying. If you can’t highlight or copy a piece of text, the document is restricted.
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- Try saving. You cannot save restricted documents as text files. To be able to convert the format, you need to unlock it first.
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Adobe Acrobat (As Owner)
- Select Remove Security if you want to finish disabling the security of the PDF file. If you have previously set an Access Password to secure this file, you will have to enter the password to complete the process.
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- Click “Change Settings” in the Document section under the Security tab after selecting “Certificate security” in the list. You can also select the “No Security” item in the list to completely remove the security.
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- Select the encryption level and press next.
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- You will need a Digital Username to encrypt documents. You can use an existing username or create a new account.
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- Check the recipient’s trustworthiness, change the access permission or remove the recipient if you want to change this, then click Next.
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- Click Finish and OK to save changes and close the document window. Save the PDF file to make changes.
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Google Drive
- This method only works with owner-restricted PDF files.
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- Not all formats can be saved.
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- Google Drive limits file upload size to 2MB.
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PDFUnlock
- Click on the “Unlock!” button! (Unlock!). Upload time depends on the line speed and size of the PDF file.
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- Concatenation, Document Signing and Prototyping Page Creation are still listed as Not Allowed. Because Adobe Reader can’t do these actions, and they want you to pay for the Pro version.
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Foxit Reader and CutePDF
- If you apply this method with Adobe reader software and the printer will be securely blocked during the writing process.
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- Save the printed file to your computer as a new PDF file.
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Microsoft XPS Viewer
- This method may not work with some security methods applied on the original secure PDF file.
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Ghost Script and Ghost View
PDF XChange Viewer
This method is only useful when you know the password.
Google Chrome
SysTops PDF
thepdf.com
Take Screenshots
This method will not allow you to edit the content of the document, but allows you to create a format that allows character filling, character recognition, adding characters, highlighting, or editing, etc.
- You can use Adobe’s Top functionality to recognize characters, create formatting to fill characters, etc.
Advice
- If you try to change a PDF file that you created yourself, because you lost your password or due to bad luck. You can use several password recovery software—for a price. You can find password recovery software by entering the keyword “Recover PDF Password” into the search engine.
This article is co-authored by a team of editors and trained researchers who confirm the accuracy and completeness of the article.
The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.
This article has been viewed 19,158 times.
A secure PDF file that enforces copyright law with features that prevent other users from reproducing or distributing it. The owner or creator of the PDF file uses password protection to restrict actions from other users such as accessing, printing, copying text and editing documents. If you need to edit or copy text from a PDF file but do not have access from the owner, follow these instructions to unlock the PDF file.
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