To view your pipeline, click Deals > Pipeline view button.
On the pipeline view you'll see your default pipeline. You can switch between your different pipeline's by pressing the Pipeline dropdown button.
When you are viewing the List view, the button group will appear like the screenshot below. The list view button will be highlighted.
When you are viewing the Pipeline view, the button group will appear like the screenshot below. The pipeline view button will be highlighted.
When you are viewing the Forecast view, the button group will appear like the screenshot below. The forecast view button will be highlighted.