How to add password to PDF in WPS Office

In many cases, we need to prevent the contents in a PDF file from casual alteration or view. Thus, we need the free and easy-to-use PDF editor provided by WPS Office. As the supporting platform of WPS Office, WPS Academy offers this free tutorial to share the trick of adding password to PDF in WPS Office. Continue to read and master quickly!lSteps to add a password to PDF in WPS Office.1. Open the PDF file in WPS Office.2. Navigate to the Protect tab, and click the Encrypt button. 3. I....