Sequences can be opened by going to the File Menu and selecting "Open Sequence".
You can also click the "Open Sequence" icon on the Shortcut Bar or press Ctrl + O.
Sequences can be saved by selecting "Save Sequence" or "Save Sequence As" from the File menu. A profile can also be created using the data from the Sequence. See Save Sequence as Profile.
You can also save a Sequence by clicking the save icon.