Collabora Office 21.06 Help
Vertically aligns the top edges of the selected objects. If only one object is selected in Draw or Impress, the top edge of the object is aligned to the upper page margin.
選取的物件將與其中最上方物件的上邊緣對齊。 To align the individual objects in a group, choose Format - Group - Enter Groupdouble-click to enter the group, select the objects, right-click, and then choose an alignment option.