Nisus Writer Pro - Manual (Page 223)

Creating Documents 203
Split cells
Merging cells merges all selected cells into one, splitting cells offers a variety of options.
Figure 231
The split cells sheet
▶
Put your insertion point inside the cell you wish to split (or select the cells (rows or columns)
you wish to split) and click the Split Cells button on the Table Cells palette.
Figure 232
The Split Cells button on the Table Cells palette
Or
▶
Put your insertion point inside the cell you wish to split (or select the cells (rows or columns)
you wish to split) and choose the menu command Table > Split Cells….