Apple Keynote '09 - Manual (Page 199)

Chapter 10 Using Tables 199
To manage custom cell formats:
1 If the custom cell format management dialog isn’t open, click Manage Formats in the
custom format dialog to open it.
2 Do any of the following:
Rename a custom format: Double-click the format and type your changes.
Reorder custom formats in the pop-up menus: Select a format and then click one of
the arrows below the list to move it up or down in the list.
Delete a custom format: Select a format and then click the Delete (–) button below
the list.
3 Click OK to save your changes and close the dialog.