# Starting, opening, and saving models

- To create a new, untitled blank model file, press the New button on the toolbar or choose New from the File menu.
- To open an existing model, press the Open button on the toolbar or choose Open from the File menu. You can also open models from the Contents pane.
- To save a model, press the Save button on the toolbar or choose Save from the File menu. Note that if the file has been saved before, pressing Save will save the file with the same name back to the same location. To change the filename or location, choose Save as from the File menu.

## See also:

- Contents pane