1.open a Calc
2.adjust Row  height
3.enter some text that extend a cell's width ,select the cell
4.right click,select Format Cells-Alignment
5.1 select vertically stacked and wrap text automatically
5.2 select vertically stackedã€Asian layout mode and wrap text automatically
  Execute 5.1,the content in the cell can not visable completely and appear 
overflow flag in the cell's right border ,when click and check the cell ,the 
text wraped
  Execute 5.2, the text in the cell vertically arrange to several columns from 
right to left