Files & folders
Hidden items
Show hidden files and folders
This is off by default, enabling it will display hidden files and folders.
Show dot files
This is on by default and displays files starting with a dot ..
Show protected system files
This is off by default, enabling it will display protected system files.
Show alternate data streams
This is off by default, enabling it will display alternate data streams.
Show file extensions
This is on by default and will display file extensions in the file list.
Show thumbnails
This is on by default and displays file thumbnails. Turning it off will display file icons instead of thumbnails (this can help improve performance).
Show checkboxes when selecting items
This is on by default and displays a checkbox when an item is selected.