How to encrypt PDF files

Do you know how to better protect the important PDF files? Today I will teach you to use the PDF encryption feature that can greatly enhance the security of documents. · 1. Set the open passwordIf you don't want others to view the contents of the PDF file at will, click the Protect tab and click Encrypt. In the pop-up dialog, check Set the open password. After setting the password, click Confirm.The next time we open this PDF file, we need to enter the correct password to view the ....

Set password to protect privacy in WPS spreadsheet

WPS Spreadsheet could be an alternative to Microsoft Office Excel. It includes 100's of built-in formulas, pivot tables, and more. Our spreadsheet can be encrypted to protect privacy. Security in the Options allows us to do so. Take this table as an example. We click Menu and select Options in the drop-down list. A dialogue box will pop up. Click Security, where we can find File encryption options for this workbook" and File sharing options for this workbook. If we want to encrypt....

How to insert a signature in a PDF file

We use powerful PDF in our daily life nearly everyday. WPS pdf converter is easy and free for people to use.Nowadays, electronic information technology is developing rapidly. Many companies have adopted paperless contracts, and we often need to sign a contract or agreement on an electronic device. Now we have received a PDF contract from another company, and we need to sign it. So how can we insert a signature in the PDF file?1. Click the Insert tab, and then click the Sign drop-down m....