To Override the Visibility of Components or Folders (AutoCAD Mechanical Toolset)
In the mechanical browser, click the component, component view, or folder you want to override the visibility of. To select more than one item, press the CTRL key, and click the others.
Note: You can select multiple components, multiple component views, or multiple folders, but not a combination of components, component views, and folders.
Right-click and select Visible.
The visibility status of the selected items switches. Items that have their visibility overridden are grayed out on the mechanical browser.
Note: To restore the visibility of the items, select them in the mechanical browser, right-click and select Visible.