There are times when Acrobat Reader DC fails to open a PDF file and displays the following error message: Adobe Acrobat Reader could not open PDF because it is either ...

To know more about these above-mentioned steps, keep reading. Following that, go to the File Block Settings tab and make sure that the Open selected file types in Protected View setting is selected.

Developed 30 years ago by Adobe, the Portable Document Format, or PDF, is widely used around the globe for viewing and signing documents – everything from corporate annual reports and scientific ...

The pdf in this thread, for example, will not open. <BR><BR>But this one will. <BR><BR>Can someone with more skill than I examine these links to determine whether there is something about the file ...