2. Select the assembly to open and click Open Subset. The Retrieval Customization dialog box opens.

3. Select the components to retrieve, right-click, and choose Retrieve. A check mark appears in the box next to the component in the Component Chooser Tree.

4. To set all selected components to be retrieved and exclude all other components, click Isolate.

5. To exclude a component from the retrieval list, click the check mark next to the component, or select the component, right-click, and choose Do not retrieve.

6. To open the assembly with the included components in Master representation, click Open. To open the assembly with the included components in Automatic representation, click the arrow next to Open and select Open Automatic.