I have several books downloaded from the Gutenberg project. They are .epub files. I tried to open one on my computer and it asked me to open the file using a program. I picked Microsoft Office Word - which didn't work - understandably. Now all the books I have downloaded try to open with Microsoft Office Word and the icon and file name have changed. The file name use to have .epub attached to it. Have I damaged the files? And is there a way for me to change them back to their original format? Attached is a photo of what the files look like now. Brand new to this.... please excuse me if I haven't given you enough info.