If an image is selected, you can press Delete. If the text is changed you can press Delete or Edit. If you can't open the file because a file type is not supported by Adobe Reader 8 it is not necessary to use the Edit or Delete buttons. Adobe Reader supports an array of file types, depending on what version of Adobe Reader you are using. If any text is changed when you view any of these files, no other action is required. If Adobe Reader 6/8 were to support these file types, any changes would be saved and made visible. Why Can't I Delete or Delete Text in PDF files? It is worth mentioning that you can not remove a text block just because the object you had selected has deleted the element from the selection. After all if you could select just the text, you could select an entire text block. There is an exception to the above rules, the Open or Open Now checkbox will allow you to view your original file with any changes made. This opens the original file, then you can remove the objects from the selection or replace them with another. The same option also works for images. If the original image in Adobe Reader is already in PDF format, once you click Open, you can view the image. For the following video, the article tells you exactly how to view, copy and modify an image in Adobe Reader How to Delete Text or a Text Element in Acrobat? (Video) The steps are exactly the same. How to Delete or Remove Text from PDF in Photoshop & Illustrator What To Do When Your Document Is Too Large, but You Can't Edit More Than One File at a Time When you open Adobe Acrobat, you are presented with a two-page interface: a small white background appears on the left, and a list of objects appears on the right. Once you have opened your document in Adobe Acrobat, you can select the object of your interest and tap Edit to select the objects you are interested in. On the Object Selection tab, you can either deselect a group or deselect a single object. To delete an object, tap Undo and then tap Delete. When you deselect the group, it resets to the default state for the group, such as the left side. How to Remove Text in PDF Files In Windows Explorer How to Delete or Remove Text in PDF Files In Windows Explorer The following steps will work for a new PDF created.