If you would like to show staves that have been hidden using the Staff Attributes dialog box or a Staff Style, see To show "force hidden" staves.
        To show staves that have been hidden using the Hide Empty Staves command:
        
        
            - Click the Staff tool  
. The Staff menu 
 appears. A dashed blue line appears wherever hidden empty staves exist in your score. (Be sure you are viewing the score in Page View). 
            - Select the handle on the left edge of the dashed blue line.
 
            - Choose Staff > Show Empty Staves. Or, right-click the handle and choose which staves you would like to show from the context menu.