The quickest way to do this is to ZIP the PDF file and protect the ZIP file, or use Microsoft Office’s built-in encryption tools to create a password. If you use Outlook, you can use Adobe ...

Moreover, if you already have a PDF (or a document file you want to convert to PDF), you can open it in Word and encrypt it directly. Both methods listed above can be used to password-protect ...

Lock PDF from editing It’s advisable to keep the password between 6 and 32 characters long. All done, click the OK button and hit ‘Save’ to save the PDF file. Now, when you try opening this ...

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The widely used PDF format supports data-saving encryption, allowing you to protect sensitive documents so that only those with the correct password can access them. In the old days, you’d need a ...

If you want to share a PDF file with other people, but need to protect it from being viewed by unwanted eyes, LibreOffice has a built-in password-protect feature.

By Anujj Trehaan Jul 10, 2025 07:05 pm What's the story Securing your PDF files with a password on your smartphone is a pretty simple task but one that ensures the privacy of your documents.