Set a strong password for the document and click "Apply" to secure the PDF. If you need to remove the password protection, open the encrypted PDF in Acrobat and enter the password when prompted.

News, deals and stuff the manuals don't tell you. Sign up for our Tech newsletter – it's free monthly Do more with PDF files. Create your own PDFs The easiest way to do this is to use a ...

Bring your multiple PDF files into a single folder. Select all your files, right-click a chosen file, and choose Show More Options > 7-Zip > Add to Archive. On the window that opens, click the "Enter ...

To password protect a PDF in Adobe Acrobat Reader, you'll need the paid Pro version, which starts at $14.99 a month. Business Insider Subscribe Newsletters ...

A reader asks: “Is there any way to password-protect and lock a sensitive PDF file before sending it as an attachment through email? I cannot afford Adobe Acrobat Pro and free primopdf didn’t ...

A PDF is one of the best ways to share information because the files can be unalterable — unlike with a Word or Pages document that's easily edited and added to, PDF content is locked in place.

Password Protect PDF File. Open a Word document that you would like to save in PDF format and encrypt withpassword, complete the writing or editing. Once done, ...