Editable PDF files must be opened with the Adobe Reader program, using your computers default programs such as "preview" or "Microsoft Edge" will not work and cause issues. If you are experiencing issues with editable PDF files, please do the following:1. Install Adobe Reader - to get and install the newest version you can follow this link (it's free):   https://get.adobe.com/reader/2. After the updated install turn off your computer and restart it. From there you should be able to open the files in Adobe Reader and everything should work fine. *An editable file means that it is fillable. You CANNOT change or alter the design of the PDF (this includes any pre-exisitng text, designs or paper size), only text within the light blue boxes can be edited. You CANNOT change the font, size or color of the editable text. What is shown in the listing photos is what it will be. *look at the listing photos & description for reference