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 ....

How can we protect a worksheet in WPS Spreadsheets

Do you know how to lock cells in WPS Spreadsheet so that they cannot be modified by others? Take this table as an example. 1. Click the Review tab. 2. When finding that the Lock Cell button is gray, it means that the entire table is now locked. At this point, click Protect Sheet. 3. Check the Select Locked cells and Select Unlocked Cells options in the pop-up dialog box. 4. Enter a password and click OK to confirm. Then we will find that the form cannot be edited.What needs to be aware....

Edit text contents in PDF

Do you know how to edit a PDF? What if we need to correct something wrong in a PDF?Go to WPS Premium, and you will be able to use the editing feature. For example, if you want to edit the title, get into the "Edit" tab, and click the "Edit Content" drop-down menu. By checking the "Show Text Boundary" option, you will see the text contents in the PDF presenting in text boxes.Click the text box, then you can edit the text content in the PDF. Right-click to copy, paste, cut, or delete the....

How to edit a picture in a PDF file

When editing a PDF file, do you know what to do if you want to make a secondary modification to the picture on the page?Go to WPS Premium, and you will be able to use the editing feature. Take this document as an example. Click the picture you want to modify, then a small icon will appear in the upper right corner of the picture. Click it to enter the picture editing mode.At this point we use the mouse to drag the picture to move its position. As we move the picture, auxiliary lines wi....

How to merge and split PDF files

WPS PDF could help edit PDF files and freely convert between PDF and Word, Excel, PowerPoint, and JPG files online. When editing PDF files, we often need to merge multiple PDF files or split a PDF file. So how can we do that?· Merge PagesTake this file as an example. When we need to merge multiple PDF files into one, click the Page tab, then click Merge Page. Now the WPS PDF to Word Converter dialog box will pop up. Click the Add files button in the upper right corner and select other ....

How to convert PDF files into pictures

We use powerful PDF in our daily life nearly every day. WPS pdf converter is easy and free for people to use.When viewing a PDF file, we may want to save the file content as a picture. So how can we do that? Take this file as an example. Click the Tools tab, then click PDF to Picture. Now a dialog box will pop up. Here, we can set the converted picture, such as Watermark, Pages, Quality and so on.We can choose output By Page or output Long picture according to actual needs.As for the u....

How to add background to PDF files

When we are editing PDF documents, if the entire white layout is too simple, we can add a nice background. Let's learn the tips for beautifying PDF files with WPS Academy. Take this document as an example. Click the Insert tab, the Background drop-down menu, and then click Add Background. In the dialog box, we can add pure color background to the document, or customize the background image. Click Browse and select a suitable picture from the computer.In Surface, we can adjust the r....