After the Package Content Selection dialog box has been opened, additional documents can be added to the package. You can either drag and drop documents from an open retrieval list or use the Add Documents button within the Package Content Selection interface.
When documents are brought into the Package Content Selection dialog box in this manner, the Other Documents option is displayed in the Document Sets drop-down list.
All documents that have been added through either ad hoc method can be selected or deselected in bulk by toggling the Other Documents option.
After additional documents have been brought into the Package Content Selection dialog box, they can be selected or deselected as needed according to the steps found in Selecting Included Documents, or can have their pages adjusted using the steps found in Selecting Included Pages.