You can use Display file
extensions to display file extensions in the list view and the node view.
This option is selected by default. Clearing this option allows more space to show the
document name.
To clear Display file extensions:
- In Treehouse, open an assembly.
- Click Treehouse Options
.
- In the dialog box, under View, clear Display file
extensions.
Display file extensions applies when you select Use the File name under Name to Display.
- Click Apply and then click OK.