When you mouseover a top-level folder, a checkbox appears. If selected, the settings (in this case, the default settings) in the Update Connection dialog box determine that only certain files are displayed in the file list pane. If you prefer, you may also turn the filter on/off by using the right-click folder context menu.
For lower-level folders, the filter switch is accessible only through the right-click folder context menu.
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Clear the checkbox to view the other files in the directory.
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