With old pc I clicked on file menu on firefox & selected "Open File..." to bring up files on my pc for printpreview before posting them to my website. But with my new pc there is no Open file option. the menu on lhs gives new tab start private browsing (what is that?) edit find save page as send link print (print preview etc) web developer (options) full screen set up sync exit the menu on rhs gives bookmarks history downloads add ons options (not relevant) help (options not relevant)