You can rearrange all model/data icons by dragging and dropping. This also holds for the extra boards you may create from the Options menu.
Double-click on the data/model icon to get text information about it and how it was created. Use right mouse button to avoid toggle its selection status.
Click on an icon to select/deselect it for plotting.
When you seem to loose control of a plot in the data/model views, use the menu item Options>Autorange (or Ctrl+A).
You can estimate many models simultaneously for ARX and State-space models. Simply enter vectors like 1:10 for the order(s).
Export a model (or data set) to the MATLAB workspace by dragging and dropping it over the To Workspace icon. Note that the models are exported as IDMODEL or IDFRD objcets, and all information can be retrieved by GET, as well as ssdata, tfdata, zpkdata etc. See IDHELP.
(file iduidmt.htm)