You can modify files in certain formats directly through the File Manager section of the Site Administrator control panel. Files that can be modified include HTML and text files; files that cannot be modified include graphical images and other binary files.
You must have write permission to be able to modify files. To determine permissions, you can view file properties.
To modify a file:
Note: If you do not see a next to the file, you cannot modify that file directly through the Site Administrator control panel.