When you click Save List, you will see the dialog below:

To	Do this
Provide a name for your list	Click on the edit box next to Enter name for list. Enter the name of your list.
Organize your list into a category	Click the down arrow on the List category edit box. Select the category that best matches how you want to categorize your list.
Make your list available to other reports and people	Click Publish list. See Share a list
Save the list	Click OK. Note: if there is a list with the same name, Data Access Studio will prompt if you want to overwrite the existing list.
Don't save the list	Click Cancel.