To password protect a PDF in Adobe Acrobat Reader, you'll need the paid Pro version, which starts at $14.99 a month. You can password protect a PDF in Adobe Reader by ...
To password protect a PDF, open the document in Acrobat, then click Menu > Protect Using Password. In the pop-up menu, select Viewing if you want the recipient to only view the document or Editing if ...
At some point you’ll likely need to send someone a file that contains sensitive information, such as tax information, financial details, your Social Security number, or other confidential data.
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