When you first contact a document in this format, you find that you cannot edit the contents of the file after you open the document, and you finally know that there is a PDF reader and a PDF editor, and the PDF document is usually opened with a reader to open the document, so it can only be viewed and cannot be edited. But after discovering that the document is open with the editor, the file is still not editable.
PDF files in other formats are not editable after they are encrypted, and some PDFs are files formed by scanned images, which are picture objects that cannot be edited like text content.
In addition, when the PDF file is opened with PDF editor, the document is in browse mode and cannot be inserted directly into the cursor for input editing.
When you click "Edit Content", you will see a box around the text, click on the text content to edit the output. Select Add text to insert a new text box in the page.
The formatting style of the text is set in the Properties pane, and opening the Properties pane needs to be selected in the other panes in the View menu.
You can move, delete, rotate, and resize a picture object when you click to select it. Adding a new picture requires selecting "Add Image" from the document menu, selecting the image you want to add and opening the Add Image dialog box, selecting the image as part of the page content, and clicking "Place".
These are just some simple basic operations for PDF files. Other editing settings for PDF documents can be done in the corresponding menu tools, and when familiar with the various command operations, you will be able to edit the PDF document skillfully.
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PDF Editor How to edit the contents of a PDF file