To Add Sheets/Models to the Currently Opened File

To add sheets/models to the currently opened file

1. In the Project Browser window, click Import Sheets & Models . To display the Project Browser, click View tab Windows drop-down, and select the Project Browser check box.
2. In the Insert From File dialog box, use the Files of Type box to select the appropriate file type, and navigate to the folder where your file is located.
3. Select the file, and click Open. All of the sheets/models in the selected files are added to the list in the Project Browser window, in the order they were listed in the original file.