Insert a cell/row/column:
1. Select any cell. On the tool bar, select Cells.
2. Select Shift Cells Down, Shift Cells Right, Insert Rows, Insert Column, or Insert Sheet.
Delete a cell/row/column/entire sheet:
1. Select any cell within the row. On the tool bar, select Cells.
2. Select Shift Cells Up, Shift Cells Left, Rows, Columns, or Delete Sheet.