To attach an xref
To attach or overlay an xref using DesignCenter
To view referenced files by type in the External References palette
To change the path of a DWG reference
To display the currently defined project names
To add a project name
To remove a project name
To modify a project name
To add a search path
To delete a search path
To change a search path
To make a project current
To clear the current project
To detach an xref