1. Open the Excellentable in edit mode and go to "Format" Tab



  2.  Select the cell/cells and click on "Wrap Select" drop down button to select on of the below button

     

    Wrap: Click on the wrap button to wrap the data of selected cell/cells 

      



    Clip: Click on the clip button to clip the data of selected cell/cells 



     

     Overflow: Click on the overflow button to overflow the data of selected cell/cells