A list of file extensions recognized by Dreamweaver. If you add an extension to this file, double-clicking a file with that extension in the Site window opens it in Dreamweaver.

Double-click the "filenames.txt" file from the previously selected folder to see a list of file names in that folder. Press "Ctrl-A" and then "Ctrl-C" to copy the list of file names to your clipboard.

Select View Options at the bottom of the list, and then "Show All Extensions." Files will now display each item with its original file extension. Long-press on any of the files, then rename it as ...